The chromosomes of the red (Indian) muntjac (2n = 6 female, 7 male), the Chinese (Reeves) muntjac (2n = 46), and their F1 hybrids were studied with various banding techniques. G-banding showed that the two complements still have a high degree of homology despite the vast difference in diploid numbers between the two species. Cd-banding suggested that the X chromosome and chromosome 1 of the red muntjac are dicentric. Evidence indicates that both centric and repeated tandem translocations among the chromosomes of the Chinese muntjac evolved to form those of the red muntjac.
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Shi et al. (2008) studied this question.