XY system

英語（米国） (en-US) 英語（イギリス） (en-GB)

固有名詞

(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).

日本語の意味

生物学における性決定システムの一つ。ヒトや多くの哺乳類、ショウジョウバエなど一部の昆虫、イチョウなど一部の植物で、雌はXXという同一の性染色体構成、雄はXYという異なる性染色体構成を持つシステム。

英語の意味

(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).

このボタンはなに？

Researchers studying sex determination often refer to the XY system as the mechanism by which males and females develop in humans and many other species.

性決定を研究する研究者は、ヒトや多くの他の種で、雄が異なる性染色体（X染色体とY染色体）を持つ雄ヘテロガメティックな染色体性決定機構が雄と雌の発生を決める仕組みであるとよく述べる。

詳細

意味（1）

(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).