Two parents have type O blood (ii) . What blood type would you expect for their first child?

The child would prolly have O blood type!

Explanation:

Hope this helps <3

they are known to reach a speed of 21 miles per hour

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.