Fertilization/Implantation

Question 1

Describe implantation

Answer 1

Zygote implants 6-8 days after ovulation
Blastocyst secrete chorionic gonadotropin = ensures corpus luteum remains viable/ secretes estrogen/progesterone first 2-3 mths of gestation

Question 2

Describe fertilization

• where is occurs
• reproductive cells

Answer 2

Occurs in ampulla of Fallopian tube
Reproductive cells carry 23 chromosomes
Sperm carry X or Y chromosome/ female carry XX