Longman Dictionary of Contemporary English homepage

X chromosome

 noun
     
Related topics: Microbes, Genetics, Biochem
X chro‧mo‧some
[countable]HBM a type of chromosome that exists in pairs in female cells, and together with a Y chromosome in male cells
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary