Tommy and his sister Maria have the same parents but they do not look alike. Which of the following factors best explains why they have this genetic variation within their family? The separation of sister chromatids during telophase I.

The crossing over of genetic information during mitosis.

The independent assortment of genetic information during anaphase I.

The exchange of genetic information as chromosomes line up during metaphase II.

The independent assortment of genetic information during anaphase I.

Explanation:

When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other. It results in gametes that have unique combinations of chromosomes.

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a. population growth is decreasing

-2

+4

-10

-3

-8

-3

so the population decreased by 24 because 3+3+8+10+2=26-2=24.

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explanation:

the answer is c because it is most logical.