No sex life leaves worms lacking genes common speciesEric Haaggenes
“Our study confirms that when females shift from mating with males to fertilizing their own eggs, the number of genes utilized by that species shrinks,” says study leader Eric Haag, an evolutionary biologist and associate professor of biology at the University of Maryland.
“We also found that the genes activated only in males or females seem to be especially likely to be lost in the self-fertilizing species. Overall, our study forges a fascinating link between how a species reproduces and the size and content of its genome.”
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