Abstract
Minisatellite DNA profiles using the multilocus human probe 33.6 are presented for 27 captive bobcats (Felis rufus) of documented geographic and genetic origins. The results show that 30% of the finger-printing bands present in males are sex linked. The effect of sex on band sharing was attributed to the presence of male-specific hemizygotic bands belonging to a minisatellite cluster located in the nonrecombinant region of the Y chromosome. A combination of mechanisms might drive the dynamics of minisatellite loci and allow different evolutionary rates depending on the recombinational capability of the chromosomal locations involved. We discuss the utility of sex-linked fingerprinting bands as genetic markers for the study and management of bobcats.
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