Mutation and Variation Flashcards
1
Q
What is mutation
A
A permanent change in the DNA sequence
2
Q
What are mutagens
A
A factor that can increase the chance of mutations occurring
3
Q
What are 3 mutagens
A
Radiation
Chemicals
UV light
4
Q
What is Variation
A
The creation of new alleles creating a more diverse gene pool and variation
5
Q
What are adaptations
A
A characteristic or behaviour that allows a species to survive more effectively
6
Q
What is Natural selection
A
Animals that develop adaptations suited to survival are more likely to survive and more likely to pass their genes
7
Q
What are species
A
Largest group of organisms in which any two individuals can produce fertile offspring
8
Q
Advantageous mutations lead to what
A
the creation of different species
