The answer to your questions should be letter B! Hope this helps :)
Answer: All heterozygous genotypes with an <em>F</em>5 allele are carriers.
Explanation:
This is because all of them carry with each other up to a certain point, where it can level out to one another. Doing this they all are considered carriers. And since F5 is a carrier. This would be the correct answer.
During meiosis, chromosome pairs randomly line up along each side of the cell equator. This arrangement mixes up the chromosomal combinations, which
A. helps ensure reproductive success.
B. helps create and maintain genetic diversity.
C. helps maintain all of the previous generation's characteristics.
D. helps ensure an equal number of males and females in the next generation.