Gametogenesis summary

Question 0

How many gametes produced by one primary oocyte?

- What sex chromosome is present?

Answer 0

1 oocyte produces 1 ovum (23,X) and 2 polar bodies

Question 1

How many gametes produced by one primary spermatocyte?

- What sex chromosomes are present?

Answer 1

1 spermatocyte produces 4 spermatozoa

- 23,X or 23,Y

Question 2

What is the lifetime chronology of spermatogenesis?

Answer 2

spermatogenesis begins at puberty and continues until death

Question 3

What is the lifetime chronology of Oogenesis

Answer 3

Oogonia form prior to birth and suspend maturation as primary oocytes; follicular development begins at puberty and ceases at menopause