Chapter intro embryo

Question 1

GAMETOGENESIS is the process of:

Answer 1

spermatogeneis and oogenesis

Question 2

When does oogenesis begin?

Answer 2

Before birth

Question 3

When does spermatogenesis begin?

Answer 3

Puberty

Question 4

How do identical twins occur?

Answer 4

When single fertilized ovum

Question 5

What are the changes that happen to spermatids?

Answer 5

Acrosome formation
Condensation of Nucleus
Formation of neck,tail
Shedding of cytoplasm

Question 6

what factors can influence ovulation?

Answer 6

High [] LH , LH digest collagen surounding the follicle

Question 7

How does the corpus alibcans form?

Answer 7

First you need just the follicle that becomes a corpus lutuem, and when that degenerates it becomes the corpus albicans. Influence by LH

Question 8

When does corpus ablicans ocur?

Answer 8

If fertilization does not happen,

Question 9

How can sperm fertilize an egg (2)

Answer 9

Capacitation

Acrosome reaction

Question 10

Phases of fertilizaiton

Answer 10

Corona radiata
Zona pellucida
Fusion of oocyte and sperm

Question 11

What are the end products of fertilization

Answer 11

Diploid number restored
Sex determined
Cleavage begins