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alexandr402 [8]
3 years ago
8

What is the phenotype of "Pp" for flower color on Figure 14.1?​

Biology
1 answer:
maria [59]3 years ago
6 0

Answer:

Pp would indicate heterozygous Dominant

Explanation:

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A student is studying the amino acid sequence of a protein shared by four organisms. The student wants to know which organism is
MariettaO [177]

Answer:

Organism D.

Explanation:

Amino acids are the monomers of proteins and are linked together by the peptide bond. The protein is obtained from the RNA molecules by the process known as translation.

The amino acid sequence of the proteins can also be used to study the evolutionary relationship between the organisms and the closeness of teh organisms with each other. In the question it is give that organisms A and D has least difference ( 1 amino acid sequence difference) and more related with each other.

Thus, the answer is organism D.

5 0
3 years ago
Describe the process of altering the genetic variation of a cell using a genetically modified virus for human gene therapy. In t
Len [333]
In human gene therapy, a genetically modified virus (a.k.a. a viral vector) can alter the genetic variation of a cell, but not all viral vectors do.

The process often begins with the delivery of or creation of a segment of viral double stranded DNA (containing the gene you want to introduce). Then typically an enzyme known as an integrase cuts the ends of the segment of viral DNA and also cuts open the cell's DNA. Then the viral DNA is integrated/ inserted into the cell's DNA. The connecting ends are ligated together and adjusted so that the nucleotide base pairs match up.

This in the future may affect the gene pool for instance if the viral DNA (your gene) was inserted in the middle of another gene or important regulatory sequence of the cell DNA, and this alteration may be passed on into offspring and become present in the gene pool, which could have bad effects.

The effects on the gene pool really depends on what the virus ends up doing. For example, it may fix the function of a damaged gene which is the goal, and allow for a working gene to be in the gene pool, which would be good. The problem with gene therapy is that it's difficult to predict 100% what the virus will do every time it is given to a patient.

But it's very important to consider that it will only affect the gene pool if the virus is able to enter and alter germ cells (reproductive cells). If the virus, enters somatic cells (regular body cells) this will not be passed on to future generations. So viruses can be designed to avoid germ cells and avoid this gene pool issue. Also, some viral vectors use viruses that do not integrate their DNA, the cells just express the viral DNA (create the desired protein from it) and over time the viral DNA is degraded/ lost which wouldn't pose this threat.

This is long, but I hope it helped!
3 0
3 years ago
A forest is cut down to plant a field of corn. How will this affect the biodiversity of the area?
zzz [600]
It would affect our environment very badly. The following reasons are why it is bad: 1)Trees are our main supply of oxygen. 2) Corn is slow at converting carbon dioxide into oxygen. 3) Many wildlife creatures (plants and animals) need that ecosystem to live.
6 0
3 years ago
In pea plants, purple flower color, C, is dominant to white flower color, c. The table shows the frequencies of the dominant and
GuDViN [60]

Answer:

Generation 1: p= 0.60 q= 0.40

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file

Download pdf
5 0
3 years ago
What would most likely happen if a person increased the amount of saturated fat in his or her diet?
Murrr4er [49]

Answer:

The person's risk of cardiovascular disease would increase.

Explanation:

saturated refers to all single bonds in the hydrocarbon chain, meaning no kinks in the chain. The hydrocarbon has the most number of carbons it can have, as there are all single bonds. If the hydrocarbon has even one less carbon, there would be kink, and it would be unsaturated and liquid. Our body needs less carbon, so unsaturated fats are better. But having saturated fats means no liquid, rather solid, which means harder for the blood to get to the heart. So your risk would cardiovascular disease would increase

3 0
3 years ago
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