Replicative differentiation of mammalian sex-chromosomes during spermatogenesis.
D000818:Animals; D002454:Cell Differentiation; D006224:Cricetinae; D004261:DNA Replication; D010064:Embryo Implantation; D005260:Female; D008297:Male; D008540:Meiosis; D012730:Sex Chromosomes / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*