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.

First to answer

The crossing over of genetic information during mitosis.

Explanation:

crossing over during meiosis leads to an increase in genetic diversity.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.