> as lemmas

1887 Amer. Naturalist 21 38 In the earliest stages of gametogenesis there is little, if any, distinction between male and female cells.

1922 R. C. Punnett Mendelism (ed. 6) 124 During the gametogenesis of the F₁ plant.

1966 F. A. E. Crew Found. Genetics viii. 154 The essential features of gametogenesis are the pairing or conjugation of the two members of each of homologous chromosomes, their separation without any longitudinal splitting and their passage into the nuclei of the two daughter cells.

2011 J. E. Richards & R. S. Hawley Human Genome (ed. 3) vi. 209 Gametogenesis produces four sperm from a single meiotic event in a male, but only one egg from a single meiotic event in a female.