In the beginning of the human race there was no genetic load which would cause undesirable traits su... - Walter Lang Quotes from quotely.org
In the beginning of the human race there was no genetic load which would cause undesirable traits such as appear in offspring of marriages between relatives today. by Walter Lang

In the beginning of the human race there was no genetic load which would cause undesirable traits such as appear in offspring of marriages between relatives today.

Walter Lang