Recessive genes are subject to Darwinian selection

As a group, carriers of recessive disorders are slightly less healthy and have a reduced chance of having offspring. This disadvantage is greatest for carriers of a recessive gene for intellectual disability, and reflected in a shorter school career and increased childlessness, according to new research. Time to rewrite the textbooks?

from Top Health News -- ScienceDaily https://ift.tt/2oLD4Bl