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Question: amazon squash makes a blue pigment you isolate two colorless...

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Amazon Squash makes a blue pigment. You isolate two colorless mutants, white and pale, that are recessive and single genic. Crossing white and pale you get a blue F1. Choose the best biochemical pathway for blue formation AND the most likely phenotypic ratio in the F2. The symbols: precursor--(GENE/ENZYME name)->product O colorless --(WHITE)-> blue--(PALE)-> colorless; 12:3:1 colorless--(PALE)-->colorless--(WHITE)- blue; 12:3:1 O blue--(PALE)-->blue--(WHITE)-->colorless; 1:4 O colorless--(WHITE)-> blue (PALE)-->colorless; 9:7 O colorless--(WHITE)- >colorless -(PALE)--> blue; 9:7
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