Assuming that the diallelic gene, which codes for fur color, express complete dominance, and following H-W equilibrium, the frequency of the black fur allele is f(r) = 0.4
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Available data:
Single, diallelic gene coding for fur colorRed is the dominant traitBlack is the recessive traitTotal number of squirrels, N = 10084 animals are red16 animals are blackWe need to calculate the frequency of the recessive allele.
We will say that,
R is the dominant allele that codes for redr is the recessive allele that codes for blackWe will assume complete dominance, where R completely masks the expression of r allele, so heter0zyg0us individuals express the dominant trait.
Following Hardy-Weinberg equilibrium, the allelic frequencies in a locus are represented as p and q. Assuming a diallelic gene,
p is the frequency of the dominant allele, q is the frequency of the recessive allele.The genotypic frequencies after one generation are
p² (H0m0zyg0us dominant genotypic frequency), 2pq (Heter0zyg0us genotypic frequency), q² (H0m0zyg0us recessive genotypic frequency).So, if we have the genotypic frequency of the recessive phenotype (black fur) we can get the allelic frequency.
We know that there are 16 black suirrelsAnd we know that the total number of individuals in the population is 100So the frequency of the black squirrels -F(rr)- in the population is,
F(rr) = q² = 16/100 = 0.16
Now, by taking the root square of this value, we will get the allelic frequency, f(r).
F(rr) = q² = 0.16f(r) = q = √q² = √0.16 = 0.4The frequency of the black fur allele is f(r) = 0.4.
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If cabbage plant has 9 chromosomes in its reproductive cells, then it means that it has 18 chromosomes in its _ cells
Answer:
If cabbage plant has 9 chromosomes in its reproductive cells, then it means that it has 18 chromosomes in its somatic cells.
If a cabbage plant has 9 chromosomes in its reproductive cells, then it has 18 chromosomes in its somatic cells. Because it is a diploid plant, the reproductive cells (gametes) will have nine chromosomes, while the somatic cells will have double the number.
What is meiosis?Meiosis is a process by which four haploid daughter cells (n) are formed from a parent cell (2n); these are called gametes. The cell first undergoes prophase I of meiosis I, where the chromosomes condense. Then the cell enters metaphase I, where the homologous chromosomes are separated. After anaphase I, telophase I, and cytokinesis, the cell is divided into two daughter cells, each having a haploid number (n) of chromosomes.
Then two cells enter meiosis II, where each cell further divides into four cells (n) as the duplicate chromosomes are separated. After the meiosis, a total of four haploid cells are formed. The cabbage gamete cell has 9 chromosomes, so the somatic cell has 2 chromosomes, which are 18 each.
Hence, if a cabbage plant has 9 chromosomes in its reproductive cells, then it has 18 chromosomes in its somatic cells.
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The oldest fossils are found in
A. the lowest layer of rock
B. the highest layer of rock
C. found anywhere
hello. get points .
just write what your plans are for today.
Which event is caused by gravity?
d Capture
A. Water in the air condensing to form tiny droplets
B. Water moving from a tree to the air through transpiration
C. Water in the air crystallizing to form frost on the ground
D. Water running from a drainage basin into a wetland
Answer:
d
Explanation:
What is the function of mitosis in living things?
O Produce special proteins for the cell
O Produce specialized egg and sperm cells
Generate useable forms of energy for the cell
O Produce identical cells for growth and repair
Answer:
mitosis is strictly for reproduction purposes. I think the answer is the 1st. answer
PLEASE HELP MEEEEEEEEEEEEEEEEEEEEE
What sugar is used by the mitochondria during cellular respiration?
A. Sucrose
B. Fructose
C. Glucose
D. Lactose
Answer:
C. Glucose
Explanation:
Glucose, the most simple sugar, is used in the process.
Mee: 5324611502 Pa: here
Answer:
Hello, nice meeting you
I have a biology question to ask.....
True or False:
Organisms range in composition from unicellular microorganisms to multicellular organisms.
Just type in A if True and B if false. Thank you!!
Answer:
A
Explanation:
I think its true.............
Answer:
A (true)
Explanation:
The given statement is true because the definition of an organism is a life form that meets the criteria of a living thing (there are 6 main criteria for it to be considered a living thing )
It responds to the environment.It grows and develops.It produces offspring.It maintains homeostasis.It has complex chemistry.It consists of cellsNumber 6 says that it needs to consist of cells, so if thing organism meets all the other criteria and consists of one or more cells, it is considered living.
So, organisms do range in composition from unicellular microorganisms to multicellular organisms.
. What is the environment like inside your stomach?
Calculate the mitotic index for the following sample:
Cells in interphase: 15
Cells in prophase: 3
Cells in metaphase: 0
Cells in anaphase: 1
Cells in telophase: 1
0.75
5
0.25
0.50
the answer to the answer is 0.25
the double helix runs antiparallel, how do we label the directionality of the strands?
A trap crop is a....
A. crop planted to attract insect pests from another crop to hinder their survival
B. state in which opposing forces or influences are balanced
C. strategy that uses multiple practices to control pests
D. way to classify how suitable soil is for most kinds of crops
Answer:
A
Explanation:
Crop planted to attract insect pests from another crop to hinder their survival
what molecule is it?
Answer:
molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
Explanation:
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.
Which of these describe a warm front?
Question 3 options:
Warm and cool air mass that are not strong enough to move one another
Cold air meets warm air, fast moving and stormy. Severe weather is likely.
Warm air meets cold air. Slow moving with less severe weather.
Ocean surface temperature is greater than 80F.
Answer:
the 3rd option is right
Explanation:
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Warm air meets cold air. Slow moving with less severe weather. So the correct option is C.
What is a warm front?The area in which a warm air mass is displacing a cold air mass is known as a warm front. The air behind such a warm front is warmer and more humid than the air in front of it. Warm fronts typically migrate from the southwest to the northeast. The air gets substantially warmer and more humid than it was before a warm front moves through.
A solid line with semicircles pointing in the direction of the flow and toward the colder air symbolizes a warm front. A warm front is indicated on colored weather maps by a solid red line.
A warm front should be considered while analyzing the front if warmer air is replacing colder air. A cold front should be considered while analyzing the front if colder air is displacing warmer air.
Therefore the correct option is C.
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DNA is passed down from parents to offspring.
This means that offspring
have _____ traits as their parents.
Fill the blank
A) different
B) opposite
C) identical
D) similar
Answer:
D) similar
Explanation:
I think the answer is D because...
First of all, A and B definitely can't be the answer since offsprings inherit some traits from both their parents, so their traits can't be different nor opposite compared to their parents.
Now the reason why I believe choice C is incorrect is because if your traits are the exact same as your parents', you would basically be a clone of them. However, that's not how it works.
An offspring is produced from two parents and their DNA is combined to create an offspring that has SIMILAR traits but not IDENTICAL.
Hopefully this helps :D
I need help, My organism is a corn snake Mary and Amy have selected organisms for their study. Mary’s organism shares the same genus as your species, and Amy’s organism shares the same phylum as your species. Which one has more in common with your species? Explain your answer.
Answer:
Mary's organism has more in common with mine.
Explanation:
Looking through the concept of hierarchy in the classification of living things, we are told that organisms that have similar features are at the lower level of hierarchy.
Which of the following correctly describes the structure and function of the cell wall in plants?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
The cell wall is composed mainly of collagen. It supports the cell, allowing it to maintain a rigid shape.
(Choice B)
B
The cell wall is composed mainly of collagen. It allows for fluid movement of the cell.
(Choice C)
C
The cell wall is composed mainly of cellulose. It supports the cell, allowing it to maintain a rigid shape.
(Choice D)
D
The cell wall is composed mainly of cellulose. It allows for fluid movement of the cell.
Answer:
I think the answer is choice c
Which external stimulus are the ears of a coyote best able to detect
What are some of the factors that prevent minority populations from seeking out mental health care
Answer:
Racism, bias, and discrimination in treatment settings.
Explanation:
Racism, bias, and discrimination in treatment settings. Language barriers and an insufficient number of providers who speak languages other than English. A lack of adequate health insurance coverage (and even for people with insurance, high deductibles and co-pays make it difficult to afford)
How does the carbon in a leaf or an animal become carbon in the soil?
photosynthesis
decomposition
respiration
absorption
Answer: Because Carbon is so important to live on earth, the soils play an important role in the global carbon cycle. ... When animals, bacteria, and other living organisms breathe out, their breath is filled with carbon dioxide. The carbon dioxide is taken out of the atmosphere by plant photosynthesis. This helps plants to grow.
Explanation:
In a laboratory experiment, a plant receives sunlight and water, but not carbon dioxide. Predict what happens to the plant and construct an explanation for your prediction using what you know about the light-dependent and light-independent reactions.
A plant that receives sunlight and water but not carbon dioxide will not be able to produce carbohydrates
PhotosynthesisThe process whereby light photosynthesized can broadly be divided into 2:
Light-dependent reactionsLight-independent reactionsThe products from the light-dependent reactions are used to fix carbon dioxide into glucose in the light-independent reaction.
Thus, without carbon dioxide, the light-dependent reaction will take place normally while the light-independent reaction cannot because the major reactant is lacking.
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PLEASE HELP ME!
where is the good ozone located
where is the bad ozone located
Answer:
Good ozone-stratosphere
Bad ozone-troposphere
Explanation:
The stratosphere or “good” ozone layer extends upward from about 6 to 30 miles and protects life on Earth from the sun's harmful ultraviolet (UV) rays.
In the troposphere, near the Earth's surface, human activities lead to ozone concentrations several times higher than the natural background level. Too much of this ground-level ozone is 'bad' as it is harmful to breathe and also damages vegetation.
What did the purple sea stars help to do on Tatoosh Island?
Answer:
"In the 1960's, the purple sea star was one of the first species recognized as a keystone. Its presence keeps tide pools in balance and prevents mussels from taking over the ecosystem."Explanation:
identify one process that is carried out in cell y that is not carried out in cell x
Answer:
Explanation:hshhshhs
need help answering this thanks.
Answer:
its tongue and camouflage
Explanation:
Can someone please help
Answer:
1) conservative (old, parental) while the other is new
2)replication
3)during the S phase of interphase
4)the DNA needs to be copied before cell division so that each new cell receives a full set of instructions
5)they separate double-stranded DNA into single strands by breaking down the hydrogen bonds
6)adds new free nucleotides to the 3’ end of the newly-forming strand
Describe how editing CFTR would impact gene expression. Draw a model that illustrates your description
Answer:
Idont know that but you can answer that
Editing the CFTR gene can potentially impact gene expression in several ways, depending on the type of editing and the specific mutation being targeted, and one approach to editing the CFTR gene is through the use of gene therapy.
What is gene editing?Gene therapy and gene editing are two potential approaches for treating CF by correcting the genetic defect responsible for the disease. Gene therapy involves introducing a functional copy of the CFTR gene into cells, while gene editing involves correcting the specific mutation in the CFTR gene responsible for CF. In gene therapy, a functional copy of the CFTR gene is introduced into cells using various methods, such as viral vectors, lipid nanoparticles, or gene editing technologies such as CRISPR-Cas9. Once the functional copy of the gene is successfully delivered into the cells, it can lead to increased expression of the CFTR protein, which can potentially improve the regulation of salt and water movement in and out of cells and reduce the severity of CF symptoms.
Hence, editing the CFTR gene can potentially impact gene expression in several ways, depending on the type of editing and the specific mutation being targeted, such as through gene editing.
Learn more about gene editing here.
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what is this bacteria?
Answer:
Explanation:
Small single-celled organisms.
A runner travels around a rectangle track twice, with length =50 meters and with =20meters. Determine the distance and displacement.
Answer: this is the answer
Explanation:
Solution
Circumference of rectangle = 2(50 meters) + 2(20 meters) = 100 meters + 40 meters = 140 meters.
Travels around rectangle 2 times = 2(140 meters) = 280 meters.
Distance = 280 meter.
Displacement = 0 meter. (runner back to start point)
Average speed = distance / time elapsed = 280 meters / 100 seconds = 2.8 meters/second.
Average velocity = displacement / time elapsed = 0 / 100 seconds = 0.
Eukaryotes have highly specialized systems that repair G-T mismatches in DNA. G-T pair repair in these systems yields G-C base pairing and not A-T base pairing. While there are other repair mechanisms for base mismatches, why might cells require a specialized system in order to repair G-T mismatches specifically
The DNA repair systems are specialized systems that are in place to correct every mistake that comes up including the incorporation of incorrect nucleotides during the biological processes like DNA replication and so on.
Cells may require a specialized system in order to repair G-T mismatches specifically because the G-T mismatches are more common and the tendency for cytosine to be converted to thymine is higher than for guanine to be converted to Adenine.
Methylation of cytosine to thymine in the G-C pair is a lot common and this process is required in some biological processes.
This methylation leads to a change to G-T mismatch but this mutation does not remain for long before the thymine is corrected back to cytosine.
Therefore, a specialized system is utilized for this G-T repair, methylation of cytosine to thymine is not essentially a mutation as thymine is converted back to cytosine immediately by this specialized system after the process has taken place.
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