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Anuta_ua [19.1K]
4 years ago
8

The fur color in a colony of mice has been brown for many generations. One gene appears to code for the fur color pigment. In a

recent litter of mouse pups, one mouse was born with white fur. Which of the following could have caused this change in fur color?
A. a mutation in the DNA sequence of the gene for brown fur
B. recombination between genes for fur color
C. All of these choices are correct
Biology
1 answer:
creativ13 [48]4 years ago
5 0

Answer:

A mutation in the DNA sequence of the gene for brown fur  

Explanation:

The mutations are capable of changing the encoded protein product, in this case the gene that encodes for the fur color pigment. This mutation may have occurred during mitosis or meiosis divisions.

If it is a spontaneous mutation that occurred in the germinal line (meiosis) and confers an adaptive advantage, it will increase their frequency in the population.

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Question is shown on the image below, help is much appreciated! <3
vlabodo [156]

Answer:

1. Water

2. Carbon dioxide

3. Sunlight

4. Oxygen

5. Glucose

Explanation:

The above shows the correct answer. The labelled parts have been correctly named.

From the diagram, we can see that the water falls on the soil where it is absorbed by the roots. The leaves of the plant take in carbon dioxide as seen no. 2 and gives out oxygen as seen in no. 4. The plant also absorbs the sun energy. These are needed by the plant for photosynthesis which is a process that leads to the manufacture of glucose and energy.

6 0
3 years ago
What is the sequence of the cell cycle that is common to eukaryotes​
daser333 [38]
M, G1, S, and G2. M is mitosis and followed by cytokinesis. S phase is the period when DNA replication occurs.
5 0
3 years ago
Are there antivirals and vaccines for avian influenza? What needs to be done in order to develop some?
labwork [276]

1. No antivirals or vaccines exist currently.

2. Vaccines are made by weakening the virus, inactivating the virus, using a part of the virus, or using a part of the bacteria. This vaccine still has to be then approved by the proper authorities (ex. CDC, WHO), tested on trial groups, then it has to be mass produced. The distribution of it may even be the hardest part. Overall, this is a long and pain staking process.

3 0
3 years ago
Complete cellular respiration is like the anaerobic process because
inna [77]

Answer:

a) both processes first break down glucose into pyruvic acid

Explanation:

Cellular respiration is the process through which cells of living organisms derive their energy. Cellular respiration can be carried out with oxygen (aerobic) or without oxygen (anaerobic). The oxygen actually acts as a final electron acceptor in the last stage of aerobic respiration process (ETC).

Cellular respiration starts with GLYCOLYSIS, which is the process whereby glucose is broken down to pyruvic acid. Glycolysis occurs in the cytoplasm and does not require oxygen to occur. In a complete respiration, the step progresses into the Kreb's cycle and Oxidative phosphorylation, which occurs in the mitochondria.

Hence, GLYCOLYSIS (break down of glucose to pyruvic acid) is a common process to both aerobic and anaerobic.

5 0
3 years ago
Based on the punnet square above, what is the probability that an offspring from this cross will have a homozygous recessive gen
Katena32 [7]

Answer:

C)25%

Explanation:

the results of the punnet square are:

1. TT (homozygous dom)

2. Tt (heterozygous)

3. Tt (heterozygous)

4. tt (homozygous recessive)

capital letters are dominant and lowercase are recessive

5 0
2 years ago
Read 2 more answers
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