This led to concerns regarding inbreeding and narrowing of the genetic base.
They include a genetic base, early trauma, sexual abuse, body image distortion and low self-esteem.
Though it has never been fully recognized as a breed, Newfoundland sheep are a distinct genetic base.
Dysgraphia is a biologically based disorder with genetic and brain bases.
"Right now the genetic base of many things is being eroded," she said.
Harris's is behavioral genetics, which attempts to tease out the genetic bases of behavior.
Because the plant has continued to grow as a weed since that time, its genetic base has been largely maintained.
There had been no competition between life forms of different genetic bases.
Cataracts in dogs either have a genetic base or can also be caused by diabetes.
They have a relatively small genetic base, so hereditary diseases were earlier somewhat prevalent.