Y chromosome 
noun Genetics
(In humans and other mammals) a sex chromosome which is normally present only in male cells, which are designated XY. Compare with X chromosome.If a gene on the Y chromosome mutates, that piece of the male genetic code may disappear....
- Genes in the second group are expressed exclusively in testes and form gene families on the Y chromosome.
- Bone marrow derived cells were identified by the presence of the Y chromosome, ordinarily found only in males.
- short-sighted
- short-sightedly
- short-sightedness
- short-sleeved
- short-staffed
- short-stay
- shortstop
- short story
- short subject
- short suit
- short-tailed vole
- short temper
- short-tempered
- short tennis
- short-term
- short-termer
- short-termism
- short-term memory
- short time
- short-timer
- short title
- short ton
- short-track
- short trousers
- short view