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NEET2005BotanyEcosystemActual

Which of the following is not true for a species?

Options

  1. Amembers of a species can interbreed
  2. Bgene flow does not occur between the population of a species
  3. Ceach species is reproductively isolated from every other species
  4. Dvariations occur among members of a species.

Correct answer

B. gene flow does not occur between the population of a species

Step-by-step solution

Gene flow is the "transfer" of genes from one population to another. This does happen between populations of a species, and tends to reduce the differences between populations. Gene flow occurs between populations of a species by gene migration i.e., emigration and immigration. This is because gene flow ensures that all the populations of a particular species share a common gene pool. Variations too, exist between members of a particular species. Related Theory In biology, species is the most basic unit of classifi

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