PLEASE ANSWER FAST Mom has the genotype Aa and so does Dad. What fraction of the offspring will have the same
genotype as the parents?

O 9/16
O 1/4
O 3/4
O 1/2

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )