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Mazyrski [523]
3 years ago
5

Question 2 (Multiple Choice Worth 4 points)

Biology
1 answer:
lisabon 2012 [21]3 years ago
7 0

Answer:

B

Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well Because prokaryotes are haploid, such a mutation immediately become part of the genetic makeup of the cell unlike eukaryotic diploids where a normal second copy of the gene usually protects the cell from the potentially lethal effect of such a mutation.

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Which statement correctly describes cancer formation?
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Cancer is formed when there are mutations in a number of genes.

Explanation:

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Only 2% of human diseases are monogenic (caused by a change in one gene). The remaining 98% of the disease is either polygenic (caused by a change in several genes at the same time) or epigenetic (caused by non-genetic or post-genetic disorders of cellular molecules).

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3 years ago
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In which way are photosynthesis and cellular respiration different
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Answer:

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s344n2d4d5 [400]

Answer:

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