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Eduncle Asked an Mcq
December 30, 2019 2:07 pm
  • CSIR NET
  • Life Sciences

    Following are key points about the effect of genetic drift :

(A)    Genetic drift is significant in small populations.
(B)    Genetic drift can cause allele frequencies to change in a pre-directed way.
(C)    Genetic drift can lead to a loss of genetic variation within populations.
(D)    Genetic drift can cause harmful alleles to become fixed.
 Which one of the following combination of the above statements are true ?

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  • Eduncle Best Answer

    Changes in relative allele frequency due only to random sampling error are known as genetic drift, a stochastic process. Hence Statement B is wrong. The smaller the population, ...

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