New research challenges Darwin, shows how a gene cheats Mendel’s law of segregation

Copies of the mouse gene R2d2 can spread quickly through lab and wild mouse populations, despite the fact that the genes cause females to have fewer offspring. This is the first time scientists have used mice to show that a selfish gene responsible for infertility can become fixed in a population.

from Fitness News — ScienceDaily http://bit.ly/1oBHfTK
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