KA2.3 - Reproduction Flashcards
1
Q
If a body cell is diploid what does this mean?
A
The cell has two sets of chromosomes.
2
Q
Haploid cells have … sets of chromosomes
A
One. Haploid cells are sex cells so they need half the information as a normal cell.
3
Q
What type of cells are haploid?
A
Sex cells / gametes.
4
Q
Name the animal gametes, their sex and where they’re made
A
Sperm cell - male - testes
Egg cell - female - ovary
5
Q
In plants the male and female sex cells are made in the … and …
A
Anther and Ovary.
6
Q
Name the male and female plant sex cells.
A
- *Male** - pollen
- *Female** - ovule
7
Q
Define the term fertilisation?
A
It is the fusion of the nuclei of the two haploid gametes to produce a diploid zygote, which divides to form an embryo.