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Chromosomes, Human, 21-22 and Y MeSH Descriptor Data 2022


MeSH Heading
Chromosomes, Human, 21-22 and Y
Tree Number(s)
A11.284.187.520.300.505
G05.360.162.520.300.505
Unique ID
D002904
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D002904
Scope Note
The short, acrocentric human chromosomes, called group G in the human chromosome classification. This group consists of chromosome pairs 21 and 22 and the Y chromosome.
Entry Version
CHROMOSOMES HUMAN 21 22 Y
Entry Term(s)
Chromosomes G
Chromosomes, Human, 21 22
Chromosomes, Human, 21-22
Group G Chromosomes
Previous Indexing
Chromosomes (1966-1967)
Public MeSH Note
2001; see CHROMOSOMES, HUMAN, 21-22 1968-2001
History Note
2001(1968)
Date Established
1968/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/09
Chromosomes, Human, 21-22 and Y Preferred
Chromosomes, Human, 21-22 Narrower
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