reproductive isolation

American  

noun

1. the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.

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Etymology

Origin of reproductive isolation

First recorded in 1980–85

Example Sentences

This ecological differentiation most likely worked hand in hand with increased physical separation to promote reproductive isolation between populations.

From Scientific American

It is smaller, and has paler, thicker fur than its lowland cousins and lives in reproductive isolation on that remote plateau in the north Sumatran jungle 1,000m above sea level.

From The Guardian

In theory, the GRC could have created the reproductive isolation needed for new species to evolve by rendering those individuals that carried the extra chromosome unable to interbreed and produce fertile offspring with those that did not.

From Scientific American

However, one issue that affects the chances of such reproductive isolation arising is the pattern of co-inheritance of the genes that affect mating preference and the genes responsible for the preferred trait.

From Nature

Imprinting can speed the establishment of reproductive isolation, which might lead to speciation.

From Nature