Single Answer MCQ
Q-00019410
Which of the following best explains the role of mutations in heredity?
1
They are always harmful and reduce genetic diversity.
2
They are the primary source of genetic variation.
3
They have no significant place in heredity.
4
They are the result of environmental factors only.
Answer and Solution
Answer
B. They are the primary source of genetic variation.
Solution:
Mutations introduce new genetic variations, which can serve as the primary source of genetic diversity within a population. Some mutations can be beneficial, others neutral, or harmful.
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