Dads Pass on More Than Genetics in Their Sperm
How does this affect the theory of evolution?<p>In the 90s in high school, we were taught that <i>random</i> mutations create diversity among a species and then natural selection chose the winning mutations. Do they still teach that?<p>Is behavior and environment generally accepted to be a factor in mutations nowadays?<p>The random thing always struck me as inefficient.<p>Edit for clarity.