Past papers terminology for Evolution

Question 1

Polygenic inheritance

Answer 1

The determination of a particular characteristic, e.g. height or skin colour, by many genes (polygenes), each having a small effect individually.

Question 2

2 different uses of pentadactyl limb

Answer 2

1) Human hands are adapted for tool manipulation (power vs precision grip)
2) Bird and bat wings are adapted for flying
3) Horse hooves are adapted for galloping
4) Whale and dolphin fins are adapted for swimming