Evolution of sex-chromosomes and formation of W-chromatin in snakes

The analysis of sex-chromosome complexes and formation of W-chromatin in 16 species of snakes of the families Boidae, Colubridae, Elapidae, and Hydrophiidae, reveal three very pertinent facts. First, the snakes exhibit various states of the differentiation of the Z and W chromosomes, apparently according to the evolutionary status of the families, being… CONTINUE READING