X chromosome

短语

n. [生]X染色体(性染色体的一种)

词形变化

X chromosomes 复数

别名

X-chromosome

释义与例句

n.
  1. 1.

    A mammalian sex chromosome: in the XY sex-determination system, cells of females typically have a pair of X chromosomes, while cells of males typically have an X and a Y.

    生物 医学

词汇关系

名词

上位词 1

sex chromosome

词源

Named by Hermann Henking in 1890 from x (signifying the unknown) due to some baffling properties he had observed. The brief resemblance in the appearance of the X and Y chromosomes to the letters "X" and "Y" respectively during cell division is entirely coincidental.

来源：wiktionary