14. The placenta releases estrogen and progesterone. It also releases chorionic somatomammotropin hormone. What is its...

14. The placenta releases estrogen and progesterone. It also releases chorionic somatomammotropin hormone. What is its function?

15. Compare and contrast oogenesis and spermatogenesis.

Expert Solution

14. Placenta also releasing chronic somatommotropin hormone which have a major role in the metabolism of the pregnant women.

It is also known as Human placental lactogen (hPL).
These hormone helps in growth of fetus.
The hormone breks fats from mother and provides sufficient energy and nutrients to the growing fetus.

15. Both (spermatogenesis and oogenesis) are the process which forms male( sperm ) and female( ovum ) gamates respectively.

SPERMATOGENESIS	OOGENESIS
It produce sperm.	produce ovum.
Take place in testis.	Take place in ovary
Sperms are small and motile.	Non motile and large ovum.
All stages occurs within the testis.	all stages except last stage occurs in the overy.
Shorter growth phase.	prolonged growth phase.

Sydney Mullin answered 1 year ago

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