X chromosome

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  • noun

Words related to X chromosome

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

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References in periodicals archive ?
Engreitz et al .[55] found that mouse lncRNA inactive specific transcript (XIST) inactivating X-chromosome was transferred from its transcription site to distant region on the X-chromosome.
Nascimento et al., "Prognostic value of X-chromosome inactivation in symptomatic female carriers of dystrophinopathy," Orphanet Journal of Rare Diseases, vol.
The occasional occurrence of scallops otherwise known to be true hermaphrodites with an abnormal sex gonad development as those with only a male gonad can be explained by the possible very low frequency occurrence of nondisjunction of the two X-chromosomes expected in hermaphrodites, resulting in scallops inheriting only one X-chromosome (XO).
Differences in X-chromosome transcriptional activity and cholesterol metabolism between placentae from swine breeds from Asian and Western origins.
Drumsticks are present in peripheral blood of individuals carrying more than one X-chromosome in at least part of their granulocytes.
Many features of X-chromosome structural abnormalities such as short stature arise from haploinsufficiency in the short stature homeobox-containing gene (SHOX), (3,4,7) whereas candidate genes for the control of normal ovarian function are postulated to be on Xp.
Additionally, X- and Y-chromosome hybridization allowed the classification of the embryos as either male (hybridization of Y-chromosome probes) or female (no hybridization of Y-chromosome probes, coupled with higher hybridization of X-chromosome probes).
Daack-Hirsch et al., "X-chromosome inactivation patterns in monozygotic twins and sib pairs discordant for nonsyndromic cleft lip and/or palate," American Journal of Medical Genetics Part A, vol.
Lyon, "X-chromosome inactivation: a repeat hypothesis," Cytogenetics and Cell Genetics, vol.
These inherited conditions are carried on the X-chromosome, so only appear in males because there is not a second X-chromosome to counteract the defective genes.
revealed myelolipomas and displayed X-chromosome inactivation in both fat and haematopoietic elements, which suggests clonal origin of myelolipoma.
The best example is Rett syndrome which was diagnosed as a pervasive developmental disorder in the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) [4] but re-classified as a neurological disorder in the more recent fifth edition of the diagnostic manual (DSM-5) [5] because research found it was caused by a single X-chromosome mutation in the methyl-CpG-binding protein 2 (MEC([p.sub.2]).
A striking example of such developmentally regulated gene control is X-chromosome inactivation (XCI), whereby one of the two X chromosomes in females is silenced during embryogenesis.