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- Differences in allele configuration in F2 modes are shown to P generation - Deviation from 1:1:1:1 indicates the genes are linked - Only F2 were counted - Autosomal genes also exhibit linkage - A double heterozygote is crossed to a homozygous recessive (testcross) P fbct/bc + x bct/bc (all ident...

- Differences in allele configuration in F2 modes are shown to P generation - Deviation from 1:1:1:1 indicates the genes are linked - Only F2 were counted - Autosomal genes also exhibit linkage - A double heterozygote is crossed to a homozygous recessive (testcross) P fbct/bc + x bct/bc (all identical) F1 fbct/bc + x bc/bc Testcross progeny: - 2934 bct/bc = 0.39% - 2768 bct/bc = 0.37% - 871 bc/bc + 846 bc+/bc = 0.23% Total = 7419