D3.1 Reproduction HL

Question 1

Puberty

Answer 1

Developmental stage leading to sexual maturity, marked by secondary sexual characteristics

Question 2

GnRH

Answer 2

Hormone that initiates puberty by stimulating FSH and LH release

Question 3

Spermatogenesis

Answer 3

Formation of sperm in males

Question 4

Oogenesis

Answer 4

Formation of eggs in females

Question 5

Testosterone and Oestradiol

Answer 5

Hormones that play key roles in male and female puberty, respectively

Question 6

Polyspermy

Answer 6

Mechanisms preventing multiple sperm from fertilising the same egg

Question 7

Blastocyst

Answer 7

Stage in embryonic development before implantation in the uterus

Question 8

hCG

Answer 8

Hormone used in pregnancy testing, produced by the embryo

Question 9

Implantation

Answer 9

Attachment of the blastocyst to the uterine wall

Question 10

Embryonic Development

Answer 10

Process of embryo growth and differentiation post-fertilisation

Question 11

Acrosome Reaction

Answer 11

A process where enzymes from the sperm’s acrosome digest and soften the zona pellucida of the egg for fertilization

Question 12

Cortical Reaction

Answer 12

A mechanism following the acrosome reaction that prevents polyspermy by altering the egg’s zona pellucida

Question 13

Zona Pellucida

Answer 13

A jelly-like layer surrounding the ovum that is involved in sperm binding and the acrosome reaction

Question 14

Rapid Cleavage

Answer 14

The process of rapid cell division of the fertilized egg as it moves down the fallopian tube

Question 15

Blastocyst Implantation

Answer 15

The stage where the blastocyst attaches to the uterine wall, initiating pregnancy