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FrozenT [24]
2 years ago
14

Describe three possible effects of genetic drift on populations and/or specific alleles.

Biology
1 answer:
vfiekz [6]2 years ago
4 0

Answer:

Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool. Genetic drift can also cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.

Explanation:

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Some cancers are caused by mutations that stop certain proteins from working. The inactivation of whát kind or protein could lea
77julia77 [94]

Answer:

The inactivation of one protein that slow down the cell cycle could lead to cancer. (option b).

Explanation:

The cell cycle is the process a cell undergoes when it divides during its life. This process includes a control mechanism to prevent normal cells from replicating more than normal, called cell cycle regulation.

In oncogenesis - the formation of malignant tumours - many factors induce the abnormal growth of a tissue by the abnormal multiplication of the cells that form it, leading to cancer. One of these factors may be a mutation in the DNA that prevents the production of regulatory proteins.

The mutation that produces exaggerated cell growth -and which can eventually lead to cancer- can create defects in a specific regulatory protein that slow down the cell cycle, so that exaggerated and uncontrolled cell replication occurs.

Once a tumor tissue has formed, successive mutations will lead to a lack of cell differentiation, the property of forming blood vessels, the ability to invade tissue and lose its apoptosis mechanism, that characterizes cancer cells.

Learn more:

Cyclines in cell cycle regulation brainly.com/question/6821354

3 0
3 years ago
Which statement is true of chloroplasts?
klemol [59]

Answer:

they contain chlorophyll which makes leaves green and absorbs sunlight.

6 0
3 years ago
Read 2 more answers
yellow flowered plant is crossed with red one; some of the offspring had orange color phenotype . explain what happened?​
allochka39001 [22]

Answer:

incomplete dominance

Explanation:

the offspring is different from the parent

8 0
3 years ago
What is used to prevent a viral infection?
Rufina [12.5K]

Answer:

Please mark me brainliest

Explanation:

Many of these diseases can be prevented by the use of viral vaccines, which stimulate protective immunity against the virus without causing major disease. Viral vaccines may also be used in active viral infections, boosting the ability of the immune system to control or destroy the virus.

7 0
3 years ago
Why are the light winged moths population changed?
Crazy boy [7]
They are changed because of the environments changing
7 0
3 years ago
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