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Snake W Sex Chromosome: The Shadow of Ancestral Amniote Super-Sex Chromosome
Published 2020-10-01“…Heteromorphic sex chromosomes, particularly the ZZ/ZW sex chromosome system of birds and some reptiles, undergo evolutionary dynamics distinct from those of autosomes. …”
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Maternal mosaicism of sex chromosome causes discordant sex chromosomal aneuploidies associated with noninvasive prenatal testing
Published 2015-10-01“…Furthermore, it was found that the false positive case with lower X chromosome concentration in NIPT was caused by maternal sex chromosomal mosaicism (45, X and 46, XX). Conclusion: Our findings indicated that maternal mosaicism of sex chromosome could cause discordant sex chromosomal aneuploidies associated with NIPT. …”
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How to make a sex chromosome
Published 2016-07-01“…Sex chromosome evolution begins when recombination between a homologous pair of chromosomes is halted. …”
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The Diversity and Evolution of Sex Chromosomes in Frogs
Published 2021-03-01Subjects: Get full text
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Sex Chromosome Evolution in Muscid Flies
Published 2020-04-01“…Sex chromosomes and sex determining genes can evolve fast, with the sex-linked chromosomes often differing between closely related species. …”
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Numerous transitions of sex chromosomes in Diptera.
Published 2015-04-01“…Many species groups, including mammals and many insects, determine sex using heteromorphic sex chromosomes. Diptera flies, which include the model Drosophila melanogaster, generally have XY sex chromosomes and a conserved karyotype consisting of six chromosomal arms (five large rods and a small dot), but superficially similar karyotypes may conceal the true extent of sex chromosome variation. …”
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Reconstructing the Evolution of Vertebrate Sex Chromosomes
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Heterochiasmy and sex chromosome evolution in Silene
Published 2023“…<p>The evolution of a non-recombining sex-specific region is a key step in sex chromosome evolution. Suppression of recombination between the (proto-) X- and Y-chromosomes in male meiosis creates a non-recombining Y-linked region (NRY), while the X-chromosome continues to recombine in females. …”
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Why Do Some Sex Chromosomes Degenerate More Slowly Than Others? The Odd Case of Ratite Sex Chromosomes
Published 2020-09-01Subjects: “…sex chromosome…”
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Female meiotic sex chromosome inactivation in chicken.
Published 2009-05-01“…During meiotic prophase in male mammals, the heterologous X and Y chromosomes remain largely unsynapsed, and meiotic sex chromosome inactivation (MSCI) leads to formation of the transcriptionally silenced XY body. …”
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Klinefelter syndrome and other sex chromosomal aneuploidies
Published 2006-10-01“…XXY aneuploidy is the most common disorder of sex chromosomes in humans, with prevalence of one in 500 males. …”
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Commentary: Mating Preferences of Selfish Sex Chromosomes
Published 2019-11-01Subjects: Get full text
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