C12 Sexual Reproduction: Sexual reproduction Flashcards
1
Q
What is fertilisation?
A
Fertilization is the fusion of the nucleus of the egg and the nucleus of the sperm
2
Q
What is sexual intercourse?
A
- the erect penis is inserted into the vagina
- the penis ejaculates semen into the upper end of the vagina. Sperm will then swim toward the ovum
3
Q
What is heredity?
A
- process by which characteristics are passed down genetically from one generation to the next
4
Q
Why do children look different from each other?
A
- inherit different combinations of physical characteristics from their parents
