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You collect 34 samples from a population called KNIGHTRO. Allele frequencies are: p=0.21 and q=0.79 If...

You collect 34 samples from a population called KNIGHTRO. Allele frequencies are: p=0.21 and q=0.79

If a new allele "r" arises in KNIGHTRO, what is the probability that this allele will reach fixation assuming the locus is neutral?

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Answer #1

Since the locus is neutral it is very unlikely it would reach fixation without any evolutionary force. Here , natural selection would not take place as the locus is neutral.

When the new allele r arises its frequency would be very less , as the frequency of others are very high. Thus, probability of this allele fixing is very unlikely.

It can only happen if genetic drift or mutational rate of this increases only then it would get fixed.

Please H THUMBSUP if i could help.

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