Variation & Mutation Flashcards
(5 cards)
What is variation?
Differences between individuals of the same species
What is variation caused by?
A combination of both enviornmental factors and differences in genes after random fertilisation of gametes
What does environmental factors mean in variation?
Enviornmental means “outside of the body” so it can be factors like climate, diet, culture, lifestyle etc
What are examples of a combination of both differences in genes and environmental factors?
-Tall parents pass genes to their children for height
-Their children will have high genetic potential to be tall
-But if their diet and sleep is poor they might not grow to be as tall
What is mutation?
A rare, random change in genetic material that can be inherited