XY type

Japanese: XY 型 - えっくすわいがた
XY type

…In this type, as a result of maturation division (meiosis), two types of germ cells are formed: females have only X, and males have either X or Y. This type of sex determination is called XY, and typical examples include Drosophila melanogaster, humans, and cannabis. In humans, females are represented by 44A+XX, and males are represented by 44A+XY (A represents an autosome). …

*Some of the terminology explanations that refer to "XY type" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この型においては成熟分裂(減数分裂)の結果,雌ではXのみ,雄ではXまたはYをもつ2種類の生殖細胞が形成される。この型の性決定様式をXY型とよび,キイロショウジョウバエ,ヒト,アサなどの場合がその典型的な例である。ヒトでは女は44A+XX,男は44A+XY(Aは常染色体を示す)で表される。…

※「XY 型」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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