BioScience Dictionary

 
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Found Haldane's rule 1 time.

Displaying results 1 to 10.

1. Haldane's rule (Haldane's law)
If one of the two sexes is missing, sterile, or rare in a population of first-generation hybrid s between two different species , then that sex is the heterogametic sex (has two different sex chromosome s, such as XY as opposed to XX).