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Question
Which are the main causes of genetic variations?
Which are the main causes of genetic variations?
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Solution
The correct option is D All the above
Genetic variation is the difference in DNA sequences between individuals within a population
Mutations are changes in the DNA. A single mutation can cause a large effect. In many cases, evolutionary changes are based on the accumulation of many mutations.
Gene flow is any movement of genes from one population to another.
Sex can introduce new gene combinations into a population
All the above
Genetic variation is the difference in DNA sequences between individuals within a population
Mutations are changes in the DNA. A single mutation can cause a large effect. In many cases, evolutionary changes are based on the accumulation of many mutations.
Gene flow is any movement of genes from one population to another.
Sex can introduce new gene combinations into a population
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