Zoology - Evolution Question with Solution | TestHub
ZoologyEvolutionModern Theory of EvolutionMedium2 minPYQ_2013
ZoologyMediumsingle choice
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to asNEET 2013 (All India)
Options:
Answer:
B
Solution:
Genetic drift is a random change in allele frequencies over the generations. It is brought by chance alone. Gene flow or gene migration is the physical movement of alleles into and out of a population. The existence within the population of disadvantages alleles in heterozygous genotypes is known as genetic code.
Stream:NEETSubject:ZoologyTopic:EvolutionSubtopic:Modern Theory of Evolution
⏱ 2mℹ️ Source: PYQ_2013
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