Answer:
During anaphase 2, the chromosomes' centromeres break, and the spindle fibers pull the chromatids apart. The two split portions of the cells are officially known as "sister chromosomes" at this point.
Explanation:
The answer is d. It is d because it is crossing over.
Answer: C
Explanation:
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The genetic code is said to be redundant in that the same amino acid residue can be encoded by multiple, so-called synonymous, codons
Greater ability to recover after natural disasters and greater variety of food sources.
