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The Journal of Heredity 1997:88(6):527-531
© 1997 The American Genetic Association 88:527-531

other

Sex Linkage of Minisatellite Bands in Bobcats (Felis rufus)

X. Domingo-Roura, H. A. Jacobson, and R. F. Weaver

Department of Wildlife and Fisheries, Mississippi State University Mississippi State, Mississippi 39762-9690
Department of Biochemistry, University of Kansas Lawrence, Kansas 66045

Corresponding Editor: Robert J. Baker

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 fingerprinting bands present in males are sex linked. The effect of sex on band sharing was attributed to the presence of malespecific 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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