Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
sewing-machine legs
sewn
sex
sex-
sex appeal
sex cell
sex change
sex chromatin
sex chromosome
sex factor
sex gland
sex hormone
sex industry
sex kitten
sex-limited
sex-linked
sex object
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

sex chromosome

sex chro·mo·some (plural sex chro·mo·somes)


noun 
Definition:
 
chromosome determining sex: a chromosome that determines the sex of an organism, e.g. the X and Y chromosomes in human beings and other mammals. In each cell nucleus, a male mammal has one X and one Y chromosome, and a female has two X chromosomes.

Advertisement

© 2009 Microsoft