variation- lqc 8a Flashcards
1
Q
what is variation?
A
The differences that exist between individuals
2
Q
features of continuous variation
A
There are a range of phenotypes
The frequency distribution will be ‘normal’ (a bell shaped curve)
3
Q
features of discontinuous variation
A
Phenotypes fall into discrete groups
4
Q
what are characteristics of continuous variation controlled by?
A
Genes at many different loci and also the environment
5
Q
what are characteristics of discontinuous variation controlled by?
A
Genes at one single locus (not affected by the environment)
6
Q
examples of continuous variation
A
height and weight
7
Q
examples of discontinuous variation
A
blood groups and sex