title: Evolution of sex-chromosomes and formation of W-chromatin in snakes.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002455:Cell Division; D002466:Cell Nucleolus; D002467:Cell Nucleus; D002875:Chromosomes; D004261:DNA Replication; D005260:Female; D002479:Inclusion Bodies; D007621:Karyotyping; D008297:Male; D008938:Mitosis; D012728:Sex Chromatin; D012730:Sex Chromosomes; D012911:Snakes; D013045:Species Specificity