Definitions from Wiktionary (XY system)
▸ noun: (biology) The system that determines the sex of humans, most other mammals, some insects (Drosophila), and some plants (Ginkgo), in which females have two of the same kind of sex cell (XX) and males have two distinct sex cells (XY).
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▸ noun: (biology) The system that determines the sex of humans, most other mammals, some insects (Drosophila), and some plants (Ginkgo), in which females have two of the same kind of sex cell (XX) and males have two distinct sex cells (XY).
Similar:
XX-XY system,
X0 system,
ZW system,
ZZ-ZW system,
X chromosome,
X-chromosome,
Y chromosome,
doublesex,
sex chromosome,
XXXX,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Invented words related to XY system