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  • Title: Sucrose octaacetate tasting in a heterogeneous population of CFW mice.
    Author: Gannon KS, Whitney G.
    Journal: Behav Genet; 1989 May; 19(3):417-31. PubMed ID: 2757593.
    Abstract:
    Three experiments investigated the genetic underpinnings of the sucrose octaacetate (SOA) avoidance-indifference dimorphism that exists among outbred CFW mice. In the first experiment, results from 687 subjects across three generations of segregation were consistent with predictions from a single-autosomal, two-allele model, with dominance for the avoidance (Taster) phenotype. In the second experiment, heterogeneous CFW Tasters and Nontasters were mated with SWR/J (Taster) and C57BL/6J (Nontaster) inbred mice. The SWR and CFW mice are both derived from Swiss mice, and the results were consistent with the possibility that the Taster animals share an allele which is identical by descent. The second and third experiments also investigated sensitivity to SOA across an extended range of concentrations. Nontaster CFWs avoided SOA at the near-saturation 10(-3) M concentration but did not avoid any weaker concentrations. Taster CFWs avoided all concentrations down to approximately 10(-6) M SOA.
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