Oogenesis

Question 1

What is oogenesis?

Answer 1

• the production of haploid, mature eggs
• in the follicles of the ovaries

Question 2

What is the difference between spermatogenesis and oogenesis in terms of the number of sperm/eggs?

Answer 2

• in oogenesis, the number of eggs is determined before birth
• whereas sperm are formed after puberty

Question 3

How are oogonia produced?

Answer 3

• by mitosis
• and growth from the germ cells of the germinal epithelium before birth

Question 4

What is the difference between spermatogenesis and oogenesis in terms of mature eggs and sperm?

Answer 4

• mature sperm are formed continuously throughout life
• mature eggs are form once puberty starts until menopause

Question 5

What is the difference between spermatogenesis and oogenesis in terms of cycles?

Answer 5

• oogenesis occurs in a monthly cycle
• sperm are produced daily

Question 6

What is ovulation?

Answer 6

• the release of a mature egg from a Graafian follicle in the ovary
• every 28 days

Question 7

What is the summarised process of oogenesis?

Answer 7

• diploid cells in the ovary undergo meiosis
• to form a primary follicle consisting of haploid cells
• once cell develops into an ovum contained in a Graafian follicle