Control Systems: Gender, Sex and Infertility Flashcards
1
Q
What are Sperm and Egg cells?
A
they are haploid cells that contain only half the number of chromosomes of other body cells (diploid cells)
2
Q
What happens during fertilisation?
A
the sperm and egg cell fuse together to form a diploid zygote cells, which then grows by mitosis into an adult organism
3
Q
What is the Acrosome?
A
This is the cell at the sperms head, which contains enzymes to allow the sperm to penetrate the eggs cell membrane
4
Q
Why do Sperm have lots of Mitochondria?
A
So that they can produce lots of energy for their journey, as they are the major site of respiration.
5
Q
Why does the egg cell membrane change?
A
To stop the entry of other sperm.
