Noun
Y chromosome (plural Y chromosomes)
(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.
Y-chromosome (plural Y-chromosomes)
(genetics) Alternative spelling of Y chromosome
Y-chromosome
All these observations lead to a consensus that a dominant gene that determines testis development ( TDF ) must exist on the human Y chromosome. Source: Internet
Among other things, this would allow scientists to identify a common Y chromosome in male descendants of Confucius. Source: Internet
A palindrome structure allows the Y-chromosome to repair itself by bending over at the middle if one side is damaged. Source: Internet
An incident in chromosome separation during anaphase II (of meiosis II ) called nondisjunction can result in sperm cells with an extra copy of the Y-chromosome. Source: Internet
A 2003 study found that 8 percent of all Mongolian males are the descendants of Genghis Khan, sharing with him the same Y chromosome. Source: Internet
Especially in mosaic cases of Turner syndrome that contains Y-chromosome (e.g. 45,X/46,XY) due to the risk of development of ovarian malignancy (most common is gonadoblastoma) gonadectomy is recommended. Source: Internet