Genetic Variation

Question 1

How do you get DNA from organisms which are no longer living?

Answer 1

Bone.
Skin.
Preserved remains.
Museums.

Question 2

Give reasons why a species may have a low genetic diversity.

Answer 2

Hunting.
Small population (I.e. From genetic bottleneck).
Population may have started from small group (I.e. Founder effect - one female).
Inbreeding.