3. Attached earlobes is a recessive trait. If a woman with attached earlobes has a child with a man with detached earlobes whose mother
has attached earlobes, what is the probability their child will have
detached earlobes? *

It would be a 50% chance

Explanation:

D.  R.

R.  R

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.