A) Members of a species can interbreed
B) Variations occur among members of a species
C) Gene flow does not occur between the populations of a species
D) Each species is reproductively isolated from every other species.
Correct Answer: C
Solution :
Gene flow is the spread of genes through populations as effected by movement of seeds spores, etc. Gene flow ensures that all population of a given species share a common gene pool. For example, it reduces difference between populations. The interruption of gene flow between populations is a prerequisite for the formation of new species.
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