AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two main sources of genetic variation in a population?
A
mutation
B
gene shuffling
C
natural selection
D
evolution
Explanation: 

Detailed explanation-1: -Mutation: The change in the genes of individuals living in a population leads to genetic variation. Genetic recombination: The fusion of gametes promotes the various combination of genes in a population leading to genetic variation.

Detailed explanation-2: -The two main sources of genetic variation are mutations and the genetic shuffling that results from sexual reproduction.

Detailed explanation-3: -Origins of genetic variation Mutations and recombination are major sources of variation.

Detailed explanation-4: -The genetic diversity has three different sources: mutation, recombination and immigration of genes. Mutation is the driving force of genetic variation and evolution.

Detailed explanation-5: -Variations occur as a result of recombination and mutation. Variations enable organisms to adapt to environmental conditions.

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