> as lemmas

1914 Philos. Trans. (Royal Soc.) B. 205 439 Genetic variation has not been detectable, as is shown by the fact that individuals [sc. cladocerans] do not resemble their parents any more closely than they do their great-grand-parents.

1930 R. A. Fisher Genetical Theory Nat. Selection ii. 46 The rate of increase of fitness of any species is equal to the genetic variance in fitness.

1951 Brittonia 7 229 The young science of genetics..has..opened to us the field of genetic manipulation as an adjunct to descriptive characterization.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xx. 341 The letters illustrate the genetic make-up (genotype) of each plant concerned.

1963 E. Mayr Animal Species & Evol. xiv. 421 The entire breeding system of outbreeders is so organized as to accumulate and preserve genetic variation.

1987 G. Bear Forge of God (1988) 141 The Guest is an artificial being, perhaps the product of centuries of genetic manipulation combined with complex bioelectronics.

1990 New Republic 9 July 25/1 Right now only a few genetic tests are used by expectant mothers—for Down's syndrome, Tay-Sachs disease, etc.

1995 C. Carter Truth is out There 147 ‘If you release Eugene Tooms, he will kill again,’ Mulder futilely insists. ‘It's in his genetic makeup.’

2004 H. Kennedy Just Law (2005) xiii. 274 The practice of taking samples for genetic testing without consent is growing.