Abstract
In the previous chapter it was shown that, with the exception of a small number of hermaphroditic species of fishes, the chromosomal sex-determining mechanism does exist in lower vertebrates. However, the X and the Y or the Z and the W of fishes and amphibians are still in an initial stage of differentiation. The two opposing sex determiners are still almost entirely homologous to each other.
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© 1966 Springer-Verlag Berlin · Heidelberg
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Ohno, S. (1966). Differentiation of the Primitive Sex Elements at the Expense of the Y or W, and the Conservation of the Original X or Z. In: Sex Chromosomes and Sex-Linked Genes. Monographs on Endocrinology, vol 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-88178-7_3
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DOI: https://doi.org/10.1007/978-3-642-88178-7_3
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