TY - GEN AU - Becak,W TI - [Chromosome constitution and mechanism of sex determination in South American Ophidia. I. Karyotypic aspects] SN - 0073-9901 PY - 1966///1014 KW - Animals KW - Chromosomes KW - In Vitro Techniques KW - Karyotyping KW - Sex Determination Analysis KW - Snakes N1 - Publication Type: Journal Article ER -