Last Updated
：2025/11/20
Y chromosome
Noun
Japanese Meaning
(遺伝学) 哺乳類の性染色体の一つで、男性の細胞にのみ存在し、女性の細胞はX染色体の対を持つのに対し、男性はX染色体とY染色体を持つ。
（ plural ）
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(genetics) A mammalian sex chromosome, occurring only in male cells. Cells of females have a pair of X chromosomes while cells of males have an X and a Y.
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Y chromosome
Scientists traced a mutation on the Y chromosome that explains the sudden change in male fertility.
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Scientists traced a mutation on the Y chromosome that explains the sudden change in male fertility.
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