In a cross of two flies +/vg Cy/+ +/se +/ab X +/vg +/+ se/se
+/ab what...
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Biology
In a cross of two flies +/vg Cy/+ +/se +/ab X +/vg +/+ se/se+/ab what proportion of the offspring will be mutant in phenotypefor all four markers?
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vg Cy se ab vg sese ab vg Cy se and ab are the mutant alleles for the four genes Upper case of the first letter in the gene indicates a dominant phenotype Lower case of the first letter in the gene indicates a recessive phenotype Consider the Punnett squares for crosses for each gene separately a vg X vg Vestigial gene is inherited in recessive fashion Hence two copies of vg should be present to
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