sex control
/ˈsɛks kənˌtrəʊl/noun
1Predetermination or selection of the sex (or sex ratio) of offspring.
2 Zoology. Sex determination, especially in an animal that can change sex during the life cycle or in response to environmental conditions. Also: regulation of sexual development in an animal species that varies between sexual and asexual forms.
3 Genetics. = sex limitation. Now rare.
Origin
Late 19th century; earliest use found in Marysville (Ohio) Tribune. From sex + control.
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