XY system
XY system proper noun: 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).

Proper noun
XY system
- 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).
- Synonyms:
- XX-XY system
Synonyms of XY system
Questions about XY system
- What does XY system mean?
- XY system means 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).
- What part of speech is XY system?
- XY system is a proper noun.
Words near XY system in the dictionary
Source and license
Adapted from Wiktionary: XY system (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “XY system.” Word.ws, https://word.ws/xy_system. Based on Wiktionary, CC BY-SA 4.0.
