Assume that plant height is determined by a pair of alleles at each of two loci (A and a, B and b) that are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 6 feet to height and that each allele represented by a lowercase letter contributes 2 foot to height. If a plant with genotype AaBB is crossed to a plant with genotype aaBb, what heights are expected in the progeny
Answers
Answer:
16 feet, 20 feet, and 12 feet
Explanation:
Uppercase allele = 6 feet
Lowercase allele = 2 feet
First, let us look at the outcome of the cross between AaBB and aaBb.
AaBB x aaBb
Progeny:
4 AaBB = 6+2+6+6 = 20 feet
4 aaBB = 2+2+6+6 = 16 feet
4 AaBb = 6+2+6+2 = 16 feet
4 aaBb = 2+2+6+2 = 12 feet
The heights expected in the progeny are 16 feet, 20 feet, and 12 feet.
Related Questions
need help with this ??
Answers
Answer:
I would almost say C or D because for C, the movement is caused in the mantle.
Explanation:
One example of evolution and natural selection is:
O a. Arctic Foxes changing coat color in the winter, from brown to white.
O b. Lung fish being able to survive out of the water.
O c. Pigeons nesting and living in an urban environment,
d. All of the above
Answers
Answer:
D. All of the above
Explanation:
Evolution by natural selection involves organisms being better suited to their environment as a result of the occurrence of changes in traits to enable it to reproduce more or have a higher chance of survival.
An example of evolution by natural selection involves Arctic Foxes changing coat color in the winter from brown to white, Lung fish being able to survive out of the water and Pigeons nesting and living in an urban environment.
What role does iodine play within the thyroid?
Answers
The body does not produce iodine on its own so it needs to come from dietary sources like eggs, prunes bananas, shrimp, cod, etc or you can take supplements of iodine.
When you consume iodine it quickly absorbed and enters into your bloodstream and thenyour thyroid that has tiny cells that capture the circulating iodine and takes in and oxidizes it so it can begin to be used to create (T3) and (T4 which are thyroid hormones.
Explain how photosynthesis and cellular respiration work together?*
Photosynthesis and Respiration both make energy
One process give molecules to the other process
Photosynthesis is more effective than respiration
Answers
Answer: one process gives molecules to the other process
Explanation:
Does a flower have a simple or complex structure
Answers
Answer:Even in a simple flower, a great variety of diverse forms occur in nature. When flowers are arranged linearly on a stem, each flower can have a stem or they can each be stemless. If they are stemless, the flowers are said to be sessile, and the whole structure, or inflorescence, is called a spike. So yes it has a complex stucture
Explanation:
Answer:
You can look up a diagram but from what i remember the flower has a complex structure
Which of the following statements regarding the human
population are TRUE? Select TWO.(Remember, there is no
partial credit)
SELECT ALL THAT APPLY
The world's population of humans is
increasing.
In every country, the human population is
increasing.
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant
Answers
Answer:
The world's population of humans is
increasing.
and
In every country, the human population is
increasing.
A construction company has clear-cut all the plants on the land next to a river. It plans to build many large homes on the land. During the construction, there are
periods of heavy rain. Large areas of red mud run off into the water, causing the water to become extremely cloudy. Which effect will these mud particles most
likely have on life in the river?
A) The mud particles will decrease the turbidity of the water, making it less difficult for plants to photosynthesize.
B) The mud particles will decrease the turbidity of the water, making it more difficult for plants to photosynthesize.
C) The mud particles will increase the turbidity of the water, making it less dificult for plants to photosynthesize.
D) The mud particles will increase the turbidity of the water, making it more difficult for plants to photosynthesize.
Answers
Answer: C). The mud particles will increase the turbidity of the water, making it more difficult for plants to photosynthesize.
Explanation:
The run off of the red soil and the construction material in the form of mud particles will contaminate the river water. This will increase the turbidity of the water of the river. The turbidity will not allow the penetration of sunlight into the river water as a result the plants will not get sunlight which is necessary for the process of photosynthesis. In the presence of sunlight the green plants prepare their own food by using carbon dioxide and water so as to produce the carbohydrates in the form of food.
The net amount of carbon in the atmosphere between 1750 and 2012 ___________.
Answers
Answer:
From 280 ppm to 393 ppm.
Explanation:
In 1750, the amount of carbondioxide in the atmosphere was 280 ppm which increases by 393 ppm in 2012. This is because of the pollution occurs due to industrialization and number of vehicles increased in the world. More carbondioxide gas is released due to the smoke produced from burning of fossil fuels in industries and vehicles. So we can say that pollution is the main reason for increasing carbondioxide concentration in the atmosphere.
Largest layer of earth that makes up most of the earths mass. A:crust B:mantle. C:outer core. B:inner core
Answers
Answer:
Mantle is the answer
Explanation:
The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer, while the crust is the thinnest layer.
I am taking the same class rn!!! whos your teacher??
Answer:
b-MANTLE
Explanation:
The mantle is the mostly-solid bulk of Earth's interior. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.
There are several different kinds, but the one you pick doesn't do its job?
Answers
the answer to the riddle is a lock.
True or false consumption efficiency in Huckleberry patches is high like in a forest ecosystem
Answers
Answer:
True
Explanation:
what kinds of organisms are considered consumers?
Answers
The process by which animals use oxygen to convert food to energy is called
Answers
Answer:
Respiration
Explanation:
Respiration is the process by which animals use O2 to get energy from food. So plants take in CO2 from the air and produce O2, and animals take in O2 from the air and produce CO2
Which term best describes the macromolecule shown below? А monosaccharide В polysaccharide С amino acid D nucleic acid
Answers
Answer:
B. Polysaccharide
Explanation:
A polysaccharide is a carbohydrate molecule made up of several units of monomers called monosaccharides linked together by glycosidic bonds. The monosaccharide is the simplest unit of a carbohydrate with the general formula, (CH2O)n.
However, the monosaccharides, which include glucose, fructose, galactose etc can link up by a bond to form a much larger carbohydrate molecule called POLYSACCHARIDE. As depicted in the image attached to this question, each ring is a monosaccharide, which becomes linked to one another to form a polymer called polysaccharide. Examples of polysaccharides are starch, glycogen, cellulose
the map here shows land surface temperatures on earth during one month in 2015. How might scientists use a land surface temperature map such as this one?
Answers
Scientists may use maps like these to compare temperatures from two different times. For example, this scientist may use this temperature map and compare the new temperatures in a few months. This is one way a scientist can use maps like these.
Hope this helps you!
Answer: B. To monitor the melting of glaciers,ice sheets and permafrost. (Hope this helps) :))))
Explanation:
Using academic language, explain why we always see the same face of the Moon.
Answers
following
Description
Regulates entry and exit of materials into and out of the cell?
Controls all the cell's activities?
Contains cell sap?
The site where most of the cell's chemical reactions take
place?
Answers
Answer:
1. plasma membrane
2. nucleus
3. central vacuole
4. Cytoplasm
Explanation:
Expected response to skin injury if tissue lost normal cell characteristic
Answers
Answer:
excessive growth of replacement tissue
Explanation:
Convert 6.2 Dag to kg.
Answers
Answer:
0.062000000000000006
Explanation:
Answer:
0.062
Explanation:
If the pH of solution A is 10, and the pH of solution B is 2, then the concentration of H+ ions
Answers
Answer:
If solution A has a pH value of 10 which is greater than 7, it means that solution A is a base because all bases have pH value more than 7, while on the other hand, if solution B has pH value of 2 which is less than 7, this indicates that the solution is acidic.
Now, all acids have more concentration of H+ ions and they have less OH- ions, bases have less H+ ions and more of OH- ions.
So, Solution A = Higher concentration of H+ ions
Solution B = Less concentration of H+ ions.
If my answer helped, kindly mark me as the brainliest!!
Thanks!!
The Rock Cycle
Select the incorrect statements by clicking on the sentences.
ary
гу
LEE
The rock cycle describes the way that rock material cycles through Earth's crust. All
rocks start out as lava or magma that cools into igneous rock. An igneous rock must then
be weathered into sediments for the next stage of the cycle. Sediments are compressed
and cemented to become sedimentary rock. Metamorphic rock forms when rocks are
heated and squeezed deep in Earth's crust. New igneous rock forms when metamorphic
rock is heated so much that it melts into magma, which cools into igneous rock. All rocks
go through this cycle over and over again.
Results
bo...
Cloy
Аа
Language
..
Answers
Answer:
The rock cycle describes the way that rock material cycles through Earth's crust.
All rocks start out as lava or magma that cools into igneous rock.
Explanation:
The Rock Cycle is a process in Earth's crust of creating and forming different types of rocks. Through this process, three primary rocks are formed: Igneous rock, Sediment rocks, and metamorphic rocks.
From the given statements, the statements which are not true about the rock cycle are:
First one, the rock cycle does not desrcibe the way rock material cycles through Earth's crust but it is a process which creates and transforms different types of rocks.
Second statement is also wrong, because only igneous rocks starts out as lava or magma.
Therefore, statement first and second are not true.
Ability to be molded. A:density B:plasticity
Answers
Explanation. The density explains the amount of mass for how small or large an object is. Best way to test density is with water. If it is MORE DENSE (heavier in small area) it will sink.
Plasticity is to be molded. You can mold plastic is is bendable and heats up easily to give the advantage of being reshaped
PLEASE HELP ASAP TY!!
How can new information about DNA help taxonomists?
Answers
Answer:
DNA evidence allowed biologists to identify a new type of bacteria Taxonomy is the system biologists use to name living things. DNA evidence allows us to see how related living things are to one another, verifying the naming system.
hope it helps...
PLEASE HELP ME someone help me finish the rest
Answers
Answer:
C-Chromosomes
D- DNA
E- Gene
Explanation:
Please check
Here’s the first one
Which statement is most supportive of the claim that genetic diversity is an advantage of sexual reproduction?
Genetic variation from sexual reproduction ensures that at least some individuals will have advantageous traits that help them survive.
Asexual reproduction results in the same genes being copied, which means the same vulnerabilities in the population.*******
Sexual reproduction creates genetic diversity, which results in a wide range of appearances in a population.
Lack of genetic diversity from asexual reproduction results in a diminished ability to survive changes to the environment.
What is the most likely explanation for a child exhibiting a heritable trait that neither parent exhibits?
The trait was passed on by a different biological parent, and one of the child's parents is not biologically related.
The trait was inherited from a more distant relative, like a great-grandparent.
The parents carried a second trait that masked the trait of interest.
The trait is recessive, so both parents carry it, and the child inherited each recessive allele.**********
Which statement has exceptions?
Sexual reproduction requires two parents, whereas asexual reproduction requires only one parent.
Sexual reproduction produces genetic variation, but asexual reproduction does not.
Sexual reproduction is more complex, while asexual reproduction is a simpler process.
Sexual reproduction involves parental care, while asexual reproduction does not.******
Assume a bacterial cell failed to replicate its DNA before it reproduced two daughter cells. The reproduction would result in
neither cell containing DNA.
both cells containing DNA.
one cell with DNA and one cell without DNA.*******
one cell with DNA and one cell with two sets of DNA.
A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent generations from this parent will be _______ penicillin.(1 point)
resistant to*****
killed by
dependent on
vulnerable to
Hydras are animals related to coral and jellyfish. Hydras can reproduce sexually or asexually. Why would hydras avoid reproducing asexually when conditions are difficult?
The lack of genetic diversity could mean that all of the hydras die, depending on the situation. ******
The high genetic diversity could mean that all of the hydras die, depending on the situation.
Reproducing more rapidly would be a good way to take advantage of plentiful resources.
Reproducing more slowly would be a good way to take advantage of plentiful resources.
Answers
Answer:
yeah the first one
Explanation:
just because
WORLD POPULATION GROWTH
20.000
Millions of people
10,000
World
5,000
2.000
Asia
Africa
1,000
Europe
500
200
United States,
Mexico,
Canada, & Greenland
100 Central America,
50 Caribbean Islands, &
South America
20
Oceania (Australia &
nearby islands in the Pacific)
10
1950
1960
1970
1980
1990
2000
2010
2020
2030
Year
2040
2050
h
Based on the information in the graph, which region's population is currently
growing the least?
Answers
Answer:
Europe
Explanation:
A P E X
The region that currently has the least population growth is the region whose population increases by the least amount as time increases.
Population growthThe term population growth refers to the increase in population of people within a geographical region as time increases. In many cases, the population growth may be shown in;
ChartsGraphsTablesThe question here is incomplete. However, the region that currently has the least population growth is the region whose population increases by the least amount as time increases.
Learn more about population growth: https://brainly.com/question/12228859
Select the true statementabout unmyelinated axons:A. action potentials occur everywhere along the length of the axon, and propagation is faster than in myelinated axons.B. action potentials occur everywhere along the length of the axon, and propagation is slower than in myelinated axons.C. action potentials occur only at some points along the axon, and propagation is fasterthan in myelinated axons.D. action potentials occur only at some points along the axon, and propagation is slower than in myelinated axons.E. Unmyelinated axons do not exhibit action potentials.
Answers
Answer:
The correct statement is - option B.
Explanation:
Unmyelinated axons are the axon that lacks the covering of scwann cells that form the myelin sheath which helps in the transfer or transmit the signals faster and more effectively in neurons. It acts as the insulating layer.
In absence of the myelin sheath, the action potential found everywhere along the length of the axon which leads to slow propagation than in myelinated axons.
Thus, the correct answer is - option B.
In the natural selection simulation we set the fitness of rr individuals to 0. Why does the r allele persist in the population?
Answers
Answer:
In the clarification section elsewhere here, the definition of the concern is mentioned.
Explanation:
The notion of fitness seems to be the basic phenomenon of Fisher. Fitness is a dynamic term since it is the calculation by a person in his lifetime of the cumulative production of viable progeny. The fitness of an organism is zero even though no offspring is created. With a growing life span as well as the amount of order to promote innovation, flexibility increases. Members of an organization that are very well-adapted to that certain range of environmental factors have had a benefit in the mechanism of selective breeding over others who might not be as possibly the best adapted. The benefit falls throughout the form of genetic diversity and longevity. Those people who are much more able to easily find and use food supplies, for example, would live considerably longer and have more offspring than someone who is less reliable at seeking food. Inherited features that increase human fitness are then passed on to their descendants, thereby providing this very same value to the descendants. The disappearance of fewer adapted varieties seems to be the most drastic alternative. Unless the best-adapted variant doesn't adjust even though it is as when the optimum balanced local, so for the ideal characteristic, less drastic will delete both-new variant.Since less drastic selection has become too inadequate to aggressive edge mutations, the aggregation of missense mutations will happen and even the outcome would be a progressive deterioration of genomic integrity. If it maintains you prolonged enough, this should contribute to disappearance for certain species; nevertheless, the subsequent widespread presence of the deleterious mutations just seems like such a genome would then inevitably also contribute to backward mutation incidence. Extinction could result if the intense choice has become too high for the entire world, because if the world is saved in time.DNA was isolated from water samples taken from six different sites. This gel was made to help determine where silver carp are found.
The results of the eDNA analysis for silver carp.
Which lane of the gel shows evidence of silver carp DNA?
A.
Lane 7
B.
Lane 2
C.
Lane 3
D.
Lane 4
its for Environmental Science
Answers
Answer:
Lane 4
Explanation:
Based on the information that is provided, it seems that the gel electrophoresis analysis was conducted to determine the presence or absence of carp DNA in water samples from six different sites.
What happens in the process of gel electrophoresis ?In gel electrophoresis, DNA fragments are separated based on their size and charge by applying an electric field to a gel matrix. The negatively charged DNA fragments move towards the positively charged electrode, with smaller fragments moving faster and migrating farther down the gel than larger fragments.
In this particular gel, lane 7 is the negative control, which means that it should not show any bands of DNA fragments. Lane 8 is the positive control, which should show a band of DNA fragments of known size and sequence. The purpose of the positive control is to ensure that the gel electrophoresis is working properly and that the expected band is present.
If the bands formed in lanes 1, 3, 5, and 6 correspond to the band in the positive control lane (lane 8), then it suggests that carp DNA may be present in the samples taken from those four sites.
However, it is important to note that this inference is based on assumptions and limited information provided, and a more thorough analysis and interpretation of the gel electrophoresis results would be required to draw definitive conclusions about the presence or absence of carp DNA in the water samples from those sites.
Learn more about gel electrophoresis at :
https://brainly.com/question/2960312
#SPJ7
Old thermometers contained very small amounts of mercury. The mercury in the photo has a melting point of -38°C. What can u conclude about the melting point of the mercury in the old thermometer?
Answers
Answer:
The thermometer can not be used to measure very low temperature
Explanation:
Mercury-in-glass thermometer is one of the types of liquid-in-glass thermometers.
Given the very melting point of mercury, it is unsuitable to attempt to use this thermometer for very low temperature measurement.
Hence, from the melting point of mercury, this thermometer can not be used to measure very low temperature.
