Select the sentarias in whech gentik drift plays a major mole. provides res starke loa parasitio discuse. A random mutation in allele of provides a survival whamlape for finches in a harsh winter climate and becomes mbere prominent in the population ower time diseases, and the froquency of rocessive alleles increases geterat ons laret The frequency or hlack mark on rabterts with a hite fur increases after males, for maitiple generations, preferentially mate with all marked females in a pocoularon. A hurricane wipes out the ritulority of the pupulation of inative iguanas on an island. Over several generations, allek
P
is lost, as mast of the renaining iguans are homogyous for the
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alke.