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Meaning of XY system | Babel Free

Noun CEFR B2

Definitions

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).

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

xyelid XYL Xyl. xyla xylacine xylaloe

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