Titlebook: Mechanisms of Gonadal Differentiation in Vertebrates; Contributions of an Ulrich Müller,Werner W. Franke Book 1983 Springer-Verlag Berlin

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Aberrant Sex Chromosome Mechanisms in Mammals Evolutionary Aspectse to the origin and evolution of the sex chromosome mechanisms in three species of monotremes and in the following species of rodents: the creeping vole (.), the mole vole (.) the Amami spinous country rat (.), the wood lemming (.), the varying lemming (.), South American field mice (. sp.), and the

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Expression of the 12E7 Antigen is Controlled Independently by Genes on the Human X and Y Chromosomess [7, 26, 34] and is believed to reflect the evolutionary origin of these chromosomes [24]. Consideration of patients with sex chromosome abnormalities has also led to the suggestion that the X and Y chromosomes might share some sequences [3, 9]. However, direct evidence to support this hypothesis d

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Chromosome Abnormalities and Gamete Production in Manmosome abnormalities and 1% autosomal abnormalities. Variations in the frequencies among different samples are probably due to ascertainment bias. The autosomal abnormalities consist mainly of balanced translocations which are found with a frequency of nine per thousand. Most translocations are Robe

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Structural Aspects of Gonadal Differentiation in Mammals and Birdsthe genital ridge blastema in the sexually differentiated male or female organ, or in the creation of an ovarian cortex, are difficult to ascertain. Accordingly, several concepts have been elaborated in the past that try to explain gonadal differentiation more or less extensively. Most of these conc