derf content, blog-style (www.derf.net)
Isaac Laquedem
Description: almost daily since 1999
almost daily since 1999
In my continuing quest to unravel the genetic mystery of my son’s wet ear wax, cloverleaf tongue-folding ability, and shovel-shaped teeth I stumbled across John H. McDonald’s “ Myths of Human Genetics .” He describes that while tongue-rolling and other traits are common examples used by teachers for basic genetics, those traits aren’t all simply expressed by dominant/recessive genes. Tongue-rolling is partially genetic but studies have found non-rolling parents with rolling kids. So it’s not a good basic ex
Written by ltao
derf content, blog-style (www.derf.net)
Isaac Laquedem