Share this entry

Share this page

sex chromosome

Line breaks: sex chromo|some

Definition of sex chromosome in English:

noun

A chromosome concerned in determining the sex of an organism, typically one of two kinds.
Example sentences
  • The abnormal behavior of an unidentified sex chromosome has also been reported in D. subobscura.
  • The Y chromosome is the male-specific sex chromosome that is passed from father to son in the same way that surnames are passed from father to son.
  • It is genetic, but not linked to a sex chromosome like hemophilia, so either parent can pass porphyria on to any child.

In humans and other mammals females have two similar sex chromosomes (XX) while males have dissimilar ones (XY). In birds and some other animals, females have dissimilar sex chromosomes (ZW) and males similar ones (WW). Some other organisms have a sex chromosome present only in one sex

Definition of sex chromosome in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day odium
Pronunciation: ˈəʊdɪəm
noun
widespread hatred or disgust for someone…