Fertilization to implantation

Where does fertilization typically occur?

• In the vagina

• In the cervix

• At the entrance of the uterus

• About 1/3 of the way down the uterine tube

What is the primary function of the acrosome in the sperm?

• To carry genetic material

• To break down the acid in the corona radiata

• To form the fertilization membrane

• To propel the sperm

What happens after one sperm successfully enters the egg?

• A fertilization membrane forms

• The egg immediately divides

• The sperm disintegrates

• The egg releases more sperm

Which layer surrounds the egg and contains acid?

• Zona Pellucida

• Cytoplasm

• Corona radiata

• Follicle

How does the sperm move through the female reproductive tract?

• By being carried in the blood

• By movement of flagella and muscular contractions of the uterus and uterine tubes

• By being pushed by the egg

• By gravity

What is a zygote?

• An unfertilized egg

• A fertilized egg

• A mature sperm

• A cell in the uterine tube

How many chromosomes does a diploid cell have?

• 23

• 46

• 92

• 13

What occurs after the sperm enters the egg?

• The egg undergoes meiosis I

• The egg completes meiosis II

• The egg divides into two cells

• The sperm nucleus disintegrates

What term is given to the nuclei of gametes?

• Pronuclei

• Nuclei

• Diploid

• Nucleus

What happens to the egg immediately after fertilization?

• It remains static for 6 days

• It starts dividing through mitosis

• It implants in the uterus

• It begins meiosis I