OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following would lead to genetic variation?
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crossing over
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independent assortment
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mutations
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all answers are correct
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Explanation:
Detailed explanation-1: -The three main sources of genetic variation arising from sexual reproduction are: Crossing over (in prophase I) Random assortment of chromosomes (in metaphase I) Random fusion of gametes from different parents.
Detailed explanation-2: -Thus, the correct answer is ‘The process of natural selection directly creates genetic variation.
Detailed explanation-3: -Mutation, gene flow, sexual reproduction, random mating between organisms, random fertilization, and crossing over are the main cause of genetic variation.
Detailed explanation-4: -Major causes of variation include mutations, gene flow, and sexual reproduction.
There is 1 question to complete.