Shifting in the duplication time of sex chromosomes in the rat.
D000818:Animals; D001853:Bone Marrow; D001854:Bone Marrow Cells; D002455:Cell Division; D002875:Chromosomes / Q000378:metabolism*; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis*; D007621:Karyotyping; D051381:Rats
D004247:DNA