sex chromosome


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  • noun

Words related to sex chromosome

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

References in periodicals archive ?
In birds, males have two Z sex chromosomes, and females have one Z and one W sex chromosome.
The disorders of sex development are now broadly grouped into three main diagnostic categories namely 46 XY DSD (previously called male Pseudo hermaphroditism), 46 XX DSD (previously called female Pseudo hermaphroditism) and sex chromosome DSD (previously called true hermaphroditism).
Mark and his parents learned that Klinefelter syndrome (47,XXY) is the most common of the sex chromosome aneuploidy conditions.
When sex chromosomes among' common pill bugs go bad from disuse, borrowed bacterial DNA comes to the rescue.
Reduced meiotic recombination on the XY bivalent is correlated with an increased incidence of sex chromosome aneuploidy in men with non-obstructive azoospermia.
There was no evidence of morphologically distinct sex chromosomes for either species, as the karyotypes for males and females were identical.
In female pachytene complements, the WZ sex chromosome pair was easily identified due to the heterochromatic nature of the W chromosome (Fig.
Keywords: Klinefelter syndrome, sex chromosome abnormality, XXYY syndrome
In contrast, a male who carries the defective gene transmits the gene to all his daughters who then act as carriers, but not to his sons because the sex chromosome his son inherits from him is the Y chromosome.
According to our observations there was no sex chromosome differentiation in A.
The presence of: females heterozygous for IIL-2, of standard males, and of IIL-2/IIL-3 males at the Coeur d'Alene River suggested combinational sex chromosome types (Shields and Kratochvil, 2011).
Importantly, many of these cases had underlying biological reasons for the excess sequences detected, such as confined placental mosaicism (CPM), maternal sex chromosome aneuploidy, maternal malignancy, low-level fetal mosaicism, and cotwin demise (Table 2).
The members of the research team shot the movie while aiming to examine the unusual sex chromosome development in the largest bug in Europe -Lethocerus patruelis .
2 deletion syndrome; Tourette syndrome, tic disorders, and comorbidities; Down syndrome, Angelman and Prader-Willi syndrome; Williams syndrome; sex chromosome aneuploidy; learning disorders; and speech and language disorders.
This first demonstration of an X chromosome gene as a disease susceptibility factor in human lupus raises the possibility that the gender difference in rates may in part be attributed to sex chromosome genes," Dr.