Is there a connection between eugenics and techniques of genetic engineering (such as CRISPR )? Where should we draw the line between the two?

nucleus

would be most reasonable answer tbh

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 : )

bacterium is not correct