Variation Flashcards
1
Q
What changes / variates species?
A
Genetic or environmental factors.
2
Q
What causes genetic variation?
A
By organisms having alleles which can lead to differences in phenotype.
3
Q
Are there more or less variation in a population?
A
There is a lot of genetic variation within a species due to neutral keitstiosn
4
Q
What are mutations?
A
They are changes to the base sequence of DNA.
most mutations are neutral
5
Q
What happens when a mutation effects a phenotype?
A
Might change the protein and it will stop working . This is what happens in cystic fibrosis , when mucus in lungs and digestive system form and make it difficult to breathe and digest food.
