sex chromosome


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sex chromosome

either of the chromosomes determining the sex of animals

sex chromosome

[′seks ‚krō·mə‚sōm]
(genetics)
Either member of a pair of chromosomes responsible for sex determination of an organism.
References in periodicals archive ?
The patients with clinical presentation of DSD who were labeled XY on karyotyping were included in the study, whereas patients without karyotyping results, mixed sex chromosome or XX Karyotypes were excluded from the study.
Less common variations involve two or more extra sex chromosomes, including 48, XXYY X and Y chromosome variations occur more often than Down syndrome.
The independent origins of multiple sex chromosomes via centric fusion involving a cryptic Y chromosome in the widely divergent Megupsilon and Garmanella suggests that cryptic male heterogamety (XY) might have characterized the most-recent common ancestor of the Cyprinodontina.
absoluta, this large pair of chromosomes proved to be the WZ sex chromosome bivalent (present work).
48,XXYY syndrome which is one of the sex chromosome aneuploidies was described by Muldal et al.
arcticum complex from 37 collections to the south, northeast and northwest of the Coeur d'Alene River for sex chromosome constitution to further test whether types arose by recent hybridization or alternatively were remnants of a past incipient speciation event.
The initial report of a maternal sex chromosome aneuploidy (SCA) occurred in a healthy and fertile 25year-old pregnant woman whose NIPT results were consistent with triple X (57).
Researchers in Australia found that a variant gene on the Y sex chromosome increases the risk of CAD by 50 percent (The Lancet, online Feb.
Triple X syndrome 47XXX is a sex chromosome abnormality characterized by presence of an extra X chromosome.
Of all cases with common autosomal or sex chromosome aneuploidy identified by karyotyping, 100% were confirmed by microarray testing, said Dr.
In most cases where there is cytogenetic involvement, it usually involves the rearrangement or loss of a sex chromosome (X or Y).