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Evolution

Question
CBSEENBI12047120
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In which of the following population, genetic drift operates?

  • Island

  • Smaller

  • Larger

  • Continental

Solution

B.

Smaller

Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance (sampling error). It occurs in all populations of non- infinite size but its effects are strongest in small populations.

Some More Questions From Evolution Chapter

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What are the two key concepts of Darwinian Theory of Evolution

What were the units of life according to the early Greek thinkers ?

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

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