7 - Variation Flashcards
0
Q
What are genetic differences
A
Mutation
Meiosis
Fusion of gametes
1
Q
How to prevent sampling bias
A
Take random samples
Choose a large sample size
Analyse effect of chance
2
Q
What is mutation
A
A sudden change in genes
50/50 chance of it being passed down
3
Q
What is meiosis
A
Nuclear division forming gametes (mixing of chromosomes)
4
Q
What is fusion of gametes
A
Characteristics of each parent cell fusing @ fertilization
It’s random - adding variety
5
Q
What is inter specific variation
A
Variation between animals of different species
6
Q
What is intraspecific variation
A
Variation between same species (breed of dog)
7
Q
What causes variation
A
Genetic differences
Environmental factors
