Fertilisation is the Fusion of Gametes Flashcards
1
Q
How does a pollen grain land on the stigma of a flower?
A
Usually with help from insects or the wind
2
Q
What does a pollen tube do?
A
Grows out of the pollen grain and down through the style to the ovary and into the ovule
3
Q
What does a nucleus from the male gamete do?
A
Moves down the tube to join with a female gamete in the ovule
4
Q
What is fertilisation?
A
When two nuclei fuse together to make a zygote
5
Q
What does this divide by to form?
A
Mitosis to form an embryo
6
Q
What does each fertilised female gamete form?
A
A seed
7
Q
What does the ovary develop into?
A
A fruit around the seed
