Gene drift occurs when gene migration occurs ______(a) by chance(b) spontaneously(c) slowly(d) due to disasterThis question was posed to me in an international level competition.Query is from Hardy-Weinberg Principle-2 topic in section Evolution of Biology – Class 12

Gene drift occurs when gene migration occurs ______(a) by chance(b) sp

1.	Gene drift occurs when gene migration occurs ______(a) by chance(b) spontaneously(c) slowly(d) due to disasterThis question was posed to me in an international level competition.Query is from Hardy-Weinberg Principle-2 topic in section Evolution of Biology – Class 12
Answer» Correct answer is (a) by chance To explain: Gene flow occurs when gene migration occurs many or MULTIPLE TIMES. When this occurs by a chance, a process called gene drift occurs. It cannot occur spontaneously, slowly or DUE to a disaster.

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