Sex chromosome
Evolutionary Strata on the Chicken Z Chromosome: Implications for Sex Chromosome Evolution
... X chromosome exhibits four “evolutionary strata,” interpreted to represent distinct steps in the process whereby recombination became arrested between the proto X and proto ...of sex chromosome ...
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Sex Chromosome Turnover in Moths of the Diverse Superfamily Gelechioidea
... vertebrates, sex chromosome–autosome fusions resulting in neo-sex chromosomes occur frequently in male heterogametic taxa (XX/XY), but are rare in groups with female heterogamety ...examined ...
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Sex chromosome complement contributes to sex differences in coxsackievirus B3 but not influenza A virus pathogenesis
... Although sex chromosomes can directly influence CVB3 pathogenesis, the dominant sex effect is mediated by gonadal ...the sex differ- ence in susceptibility to IAV in ...of sex chro- mosome ...
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Conservation of Regional Variation in Sex-Specific Sex Chromosome Regulation
... Furthermore, even if dosage compensation evolves by another mechanism and not via the specific set of regulatory steps defined by Ohno, we would still expect equal expression between males and females for most of the ...
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A role for a neo-sex chromosome in stickleback speciation.
... of sex chromosome systems between closely related species 7,8 . Sex chromosome turnover has been observed across many taxa, but is particularly striking in fishes 9,10 ...of sex ...
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Psychosocial Adaptation of 39 Adolescents With Sex Chromosome Abnormalities
... Children and Young Adults With Sex Chromosome Aneuploidy: Follow-up, Clinical, and Molecular Studies. New York, NY: Wiley-Liss, Birth Defects: Original Article Series[r] ...
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Sex chromosome evolution in snakes inferred from divergence patterns of two gametologous genes and chromosome distribution of sex chromosome-linked repetitive sequences
... the sex chromosomes in the common ancestor of caenophidian families during a relatively short period, 80–100 MYA ...putative sex chromosome-linked genes in 37 snake species reached a similar ...
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The key role of repeated DNAs in sex chromosome evolution in two fish species with ZW sex chromosome system
... of sex chromosome differentiation. The degeneration of sex-specific chromosome in some species is well documented, but it is not clear if all species follow the same evolutionary ...of ...
7
An investigation into a meiotic checkpoint that monitors sex chromosome pairing
... univalent sex chrom osom e at ML It has been argued therefore, th at the presence of an u n p aired sex chrom osom e is the m ain or only cause for the meiotic block observed (Miklos, 1974, Burgoyne and ...
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Sex chromosome complement regulates expression of mood-related genes
... These mice were used in a previous study investigating the effects of UCMS exposure on anxiety- and depressive- like behaviors in FCG mice [13]. All mice used here for gene expression analyses were sacrificed after ...
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An investigation into the role of sex chromosome synapsis in meiotic sex chromosome inactivation and fertility
... between sex chromosome pairing failure and gametogenic arrest is the X^*0 ...The chromosome is one of two products generated by recombination in the XY* ...Y chromosome that has been hijacked ...
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Chromosome mapping of repetitive sequences in Anostomidae species: implications for genomic and sex chromosome evolution
... The predominantly dispersed distribution pattern of the LeSpeII element revealed by Southern blot analysis was consistent with the genomic organisation of most, if not all, previously analysed LINEs. Moreover, this char- ...
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Early Development of Children with Sex Chromosome Aberrations
... The findings reported seem to confirm that children with sex chromosome aber- rations have an increased incidence of mild devel- opmental delay and behavior problems in their early years[r] ...
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Effects of sex chromosome dosage on corpus callosum morphology in supernumerary sex chromosome aneuploidies
... With respect to area analyses, we observed modest as- sociations at the subregional level with sex chromosome counts and the proposed Y:X ratio. Global area was only found to be related to X counts in the ...
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Sex chromosome to autosome transposition events counter Y chromosome gene loss in mammals
... of sex chromosome-to-autosome gene transposition events that counter delayed, lineage-specific loss of the corresponding Y-linked genes ...the sex chromosomes have been effectively preserved by ...
9
A role for a neo-sex chromosome in stickleback speciation.
... cm with 4 mm mesh) for 30 min as well as hauling a seine net (10 m-wide with 2 mm mesh) at one compartment (~ 300 m 2 ) of each breeding ground for three times on June 27, 2006 and again on July 13, 2006. Adult fish ...
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SEX CHROMOSOME TRANSLOCATIONS IN THE EVOLUTION OF REPRODUCTIVE ISOLATION
... Ne was estimated over the first eight generations as the product of the expected to observed variance ratio and the actual population size, ( S i / S ; ) N , for the [r] ...
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THE CONTROLLING ELEMENT IN SEX CHROMOSOME BEHAVIOR IN SCIARA
... With this knowl- edge it was possible to learn how the translocation chromosomes behaved at the “critical” stages in the embryo without the exacting cytological task of observing th[r] ...
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SEX CHROMOSOME MOSAICISM IN THE MARSUPIAL GENERA ISOODON AND PERAMELES
... In the species described in this paper the male embryo is presumably XY and during the development of the embryo the Y chromosome is lost from the somatic tissue; in the XX[r] ...
6
SEX CHROMOSOME TRANSLOCATIONS IN SPINACIA OLERACEA
... A longer homobrachial variant of chromosome 1, due to an additional segment on the short arm, appears to involve a reciprocal translocation with chromosome 2. A reciprocal t[r] ...
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