Each of the following is a step in mitosis EXCEPT __________.
BIOLOGY
SAT 2021
Each of the following is a step in mitosis EXCEPT __________.
- A. spindle fibers shorten
- B. the cytoplasm divides into two daughter cells
- C. chromosomes condense
- D. homologous pairs separate and are pulled toward opposite poles of the cell
Correct Answer: D. homologous pairs separate and are pulled toward opposite poles of the cell
Explanation
There are no homologous pairs in mitosis. Mitosis has sister chromatids that separate and result in two identical daughter cells. Meiosis has homologous pairs because it occurs in sex cells and has one chromosome from the father and the other from the mother. These chromosomes pair up in Metaphase I and then separate in Anaphase I. Mitosis occurs in somatic cells so there is only one chromosome made up of two sister chromatids that separate during Anaphase.
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