Who can answer this last one for me ??!

Genetic variation among the gametes of one individual is most likely to
increase if crossing over

A. happens during meiosis I.
B. happens after meiosis II.
C. involves different species.
D. involves sister chromatids.

Who can answer this last one for me Genetic variation among the gametes of one individual is most likely to increase if crossing over A happens during meiosis I class=

Respuesta :

Answer:

A. happens during meiosis I.

Explanation:

In meiosis I, homologous pairs align independently on the equator. All possible combinations of chromosomes can occur among the gametes. Genetic variation is increased by crossing-over. (union of female and male gametes) produces random combinations.