[ju:ˈdʒeniks]
优生学：精选优种从事繁殖，以改善群体素质的科学
习惯用语negative eugenics
消极优生学：即设法防止具有不良或低劣遗传性状者生育后代positive eugenics
积极优生学：即鼓励具有优良或所需遗传性状者的优质生育- metameric
- metamerism
- Metamine
- metamonad
- metamorphopsia
- metamorphosis
- metamorphotic
- Metamucil
- metamyelocyte
- Metandren
- metanephric
- metanephrine
- metanephrogenic
- metanephroi
- metanephron
- metanephros
- metaneutrophil
- metanucleus
- metaphase
- Metaphedrin
- Metaphen
- metaphosphoric acid
- metaphyseal
- metaphyses
- metaphysial