Barr body
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A Barr body or X-chromatin is an inactive X chromosome. In species with XY sex-determination, females typically have two X chromosomes, and one is rendered inactive in a process called lyonization. Errors in chromosome separation can also result... Wikipedia
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What is a Barr body and what is its function?
Why do only females have a Barr body?
What is a Barr body in a nerve cell?
What does the Barr body represent genetically?
A Barr body or X-chromatin is an inactive X chromosome. In species with XY sex-determination (including humans), females typically have two X chromosomes, ...
A Barr body is a small, well-defined body which stains intensely with nuclear dyes (Figs. 10.3,4). It is present in a large proportion of nuclei of female ...
Barr body testing was used in the 1968 Olympic games in an effort to detect male athletes supposedly trying to "pass" as females to gain a competitive advantage ...
The Barr body has long been recognized as the cytological manifestation of the inactive X chromosome (Xi) in interphase nuclei. Despite being known for over ...
Since women have two X chromosomes, one being inactivated, a single Barr Body is present in female mammal cells while males typically have no Barr Body present ...
Diagram showing sex chromosomes and Barr body formation in human individuals with different sex chromosome genotypes. XX female: one active X, one Barr body. XY ...
A Barr body (see image) appears as a small drumstick-like projection on one of the lobes of some neutrophils in females. Barr bodies are attached to the ...
He found that the Barr body was specifically present in the female sex chromosomes. Females have two X chromosomes, while males have one X and a Y chromosome.
The hypothesis that allowed the Barr body to stand in for 'chromosomal' or 'genetic' sex was provisional, but it supported the expectation that genetic ...