Reproduction Flashcards
1
Q
What are gametes?
A
Sex cells - egg and sperm cells
2
Q
What happens during sexual reproduction?
A
Egg and sperm cell fuse together
Genes of the egg and sperm cell mix
3
Q
How many chromosomes are found in an egg cell?
A
23
4
Q
How many chromosomes are found in a sperm cell?
A
23
5
Q
How many chromosomes are found in a fertilised egg?
A
46 (23 pairs)
6
Q
Why does sexual reproduction lead to genetic variation?
A
The mixture of parents genes (in chromosomes) produces variation in the offspring.
7
Q
What is meant by ‘offspring’?
A
The babies of an organism
8
Q
Asexual reproduction produces genetically _________ cells.
A
identical
9
Q
How is asexual reproduction different to sexual reproduction?
A
No fusion of gametes
No mixing of genes
No genetic variation
The offspring is a clone
