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An unusual mammalian karyotype
(A) The dashed line indicates 30 Mb, which previous studies have used as a cutoff to define microchromosomes.50
(B) Chromosome length is inversely related to recombination rate.
(C–F) Comparison of recombination rate (C), genes per base (D), coding bases (E), and GC content (F) between macro-, mid-sized, and microchromosomes.
