Evolution And Mutations Flashcards
1
Q
What is evolution
A
Change in genetic composition of a population over time
2
Q
What does mutations give rise to
A
New sequences of DNA
3
Q
What does the new DNA sequences result in
A
New variants/ new phenotypes
4
Q
What can mutations be
A
Harmful neutral or beneficial
5
Q
Beneficial mutations increases what
A
Fitness
6
Q
Individuals with favourable alleles are more lucky to what
A
Survive and breed
7
Q
The individuals who possess the favourable alleles and breed, can increase the frequency of
A
Favourable alleles in next generations
8
Q
Factors that increase the rate of evolution
A
Higher selection pressures
Shorter generation time
Horizontal gene transfer or sexual reproduction
Warmer climate
