Non-homologous sex chromosomes of birds and snakes share repetitive sequences

Abstract

Snake sex chromosomes provided Susumo Ohno with the material on which he based his theory of how sex chromosomes differentiate from autosomal pairs. Like birds, snakes have a ZZ male/ZW female sex chromosome system, in which the snake Z is a macrochromosome much the same size as the bird Z. However, the gene content shows clearly that the snake and bird Z… (More)
DOI: 10.1007/s10577-010-9152-9

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