8. Crossing over is an exchange of corresponding segments between nonsister chromatids of homologous chromosomes. What is the benefit of such an

exchange?

o

natural selection

gene expression

genetic universality

genetic diversity

CLEAR ALL

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

not sure if this what   you'r looking for would be percent composition

a physical change is being made.