Eugenics —— The Science of Human Improvement by Better Breeding

----- 优生学

ISBN: 9781332125340 出版年：2016 页码：44 Charles Benedict Davenport Forgotten Books

The principle of independent unit characters states that the qualities or characteristics of or ganisms are, or may be analyzed into, distinct units that are inherited independently. It fol lows that the characters of a parent or a particular relative are not inherited as a whole but each individual is a mosaic of characters that appear in a variety of relatives.