Question

Which of the following is not true for a species?

• A. The species is the principal natural taxonomic unit, ranking below the genus.
• B. Gene flow does not occur between the populations of a species.
• C. Each species is reproductively isolated from every other species.
• D. Variations occur among members of a species.

Answer 1

Answer: (B)

Gene flow take place between two populations of the same species e.g., Homo sapiens.
Gene flow has been observed in humans. For example, in the United States, gene flow was observed between white European population and black West African population, which were recently brought together