X CHROMOSOME

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 Dictionary entry overview: What does X chromosome mean? 

• X CHROMOSOME (noun)
  The noun X CHROMOSOME has 1 sense:

1. the sex chromosome that is present in both sexes: singly in males and doubly in females

  Familiarity information: X CHROMOSOME used as a noun is very rare.

 Dictionary entry details 

• X CHROMOSOME (noun)

Sense 1

Meaning:

The sex chromosome that is present in both sexes: singly in males and doubly in females

Classified under:

Nouns denoting body parts

Context example:

human females normally have two X chromosomes

Hypernyms ("X chromosome" is a kind of...):

sex chromosome ((genetics) a chromosome that determines the sex of an individual)

 Context examples 

A genetic disorder in males caused by having one or more extra X chromosomes.

(Klinefelter syndrome, NCI Dictionary)

A fusion gene that results from a rearrangement involving chromosome 2 and the X chromosome which fuses the 5' portion of the PAX3 gene to the 3' portion of the FOXO4 gene.

(PAX3/FOXO4 Fusion Gene, NCI Thesaurus)

A fragile site on the X chromosome is associated with Fragile X Syndrome.

(Chromosome Fragile Site, NCI Thesaurus)

Two pericentric inversions of the X chromosome inv(X)(q13;p22) and inv(X)(p22.3;q13.2) disrupt the gene and are associated with mental retardation.

(P2RY8 wt Allele, NCI Thesaurus)

An X-linked inherited disorder caused by mutations in the DMD gene found on the X chromosome.

(Duchenne Muscular Dystrophy, NCI Thesaurus)

This protein can substitute for histone H2A in the nucleosomal complex and plays a role in transcriptional repression and X chromosome inactivation.

(Core Histone Macro-H2A, NCI Thesaurus)

It is caused by the inheritance of only one complete X chromosome (45, X).

(Bonnevie-Ullrich Syndrome, NCI Thesaurus)

The inactive, condensed X chromosome in a female somatic cell.

(Barr Body, NCI Thesaurus)

Klinefelter's syndrome (KS) is a condition that occurs in men who have an extra X chromosome.

(Klinefelter's Syndrome, NIH: National Institute of Child Health and Human Development)

Individuals with Noonan syndrome—a genetic condition that inhibits the body’s growth and development—can have wide-set eyes, for example, and those with Bain type intellectual disability—caused by a mutated gene on the X chromosome—sport almond-shaped eyes and small chins.

(Artificial Intelligence Can Be Used to Diagnose Rare Disorders with Just A Picture, The Titi Tudorancea Bulletin)