The chromosome complement and meiosis of the North American porcupine.
D000818:Animals; D001345:Autoradiography; D002875:Chromosomes; D046508:Culture Techniques; D004261:DNA Replication; D007621:Karyotyping; D008297:Male; D008540:Meiosis; D012377:Rodentia; D012728:Sex Chromatin; D012730:Sex Chromosomes