Forecast phenotypes and phenotypic ratios

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Reference no: EM1388450

Question: Blue skin color in smurfs is controlled by two independent biochemical pathways (1 and 2). Pathway 1 has two enzymatic steps under the control of genes A and B respectively. The homozygous recessive state aa or bb blocks the formation of blue pigmentation by this pathway. Pathway 2 has one enzymatic step under the control of gene C, and the homozygous condition cc blocks this pathway. A blue smurf homozygous for all three genes mates with a white smurf (homozygous recessive at all three genes) to produce F1s. The F1s are then mated to produce an F2. Predict the phenotypes and phenotypic ratios of the F2 smurfs.

Reference no: EM1388450

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