AP BIOLOGY

ANIMAL REPRODUCTION AND DEVELOPMENT

ASEXUAL REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In order for fertilization to occur, a ____ and ____ must be present.
A
sperm
B
egg
C
both
Explanation: 

Detailed explanation-1: -Sperm transport-The sperm must be deposited and transported to the site of fertilization. Egg transport-Ovulation must occur and the egg must be “picked up” by the tube.

Detailed explanation-2: -The stages of fertilization can be divided into four processes: 1) sperm preparation, 2) sperm-egg recognition and binding, 3) sperm-egg fusion and 4) fusion of sperm and egg pronuclei and activation of the zygote.

Detailed explanation-3: -Fertilisation occurs when a sperm fuses with the female act during intercourse and further forms an egg that gets implanted in uterus of the female. The sperm travels through the fallopian tube and penetrates the zona pellucida layer of the ovum (female egg) and fuses with it which forms zygote (fertilized egg).

Detailed explanation-4: -So, the correct answer is ‘Gametogenesis

There is 1 question to complete.