If you are given maize germplasm for 5 different populations with sufficient genetic variability, how will you grow and develop inbred lines using this diverse maize breeding material and how will you test and use these inbreds for hybrid cultivar development.

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 : )

the answer is c. altitude. hope this ! #brainiac