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Rasek [7]
3 years ago
9

This is the first phase of cell division. In ________, the genetic material of the nucleus divides after making a copy of itself

.
PLEASE HELP!
Biology
1 answer:
d1i1m1o1n [39]3 years ago
4 0

Prophase is the first stage in mitosis, occurring after the conclusion of the G2 portion of interphase. During prophase, the parent cell chromosomes  which were duplicated during S phase condense and become thousands of times more compact than they were during interphase.

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when changes in a protein appear to accumulate at a constant rate over time is called option (c) i.e, Molecular clock.

<h3>What does molecular clock mean?</h3>

The term "molecular clock" refers to a method that estimates the time in prehistory when two or more life forms diverged by analyzing the mutation rate of biomolecules. Typically, nucleotide sequences for DNA, RNA, or amino acid sequences for proteins serve as the biomolecular data for these calculations.

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Mutation and recombination, the two fundamental biological processes that give rise to all heritable variations, are the foundation of molecular clocks. Mutations are modifications to the genetic code of DNA, for as when the nucleotide Guanine (G) turns to Thymine (T).

To know more about molecular clocks refer to:  brainly.com/question/8597562

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