The autosomal recessive mutation

Reference no: EM1384569

Question: In the fruit fly, the wild type purple eye color is produced by a combination of brown xanthommatin and bright-red drosopterin pigments. The autosomal recessive mutation bw blocks production of dropsopterin, causing a brown eye color. The sex-linked recessive mutation garnet (g) blocks production of xanthommatin pigment, leading to a bright-red (garnet) appearance of the eyes. Flies of genotypes ggbb or gYbb are white eyed.

From pure-breeding garnet and brown stocks, a garnet male is crossed with a brown female.

1) What are the phenotyoes of the male and female F1 progeny?

2) When these F1 flies are inter-bred, what phenotypes are expected in the F2, and in what ratios?

Reference no: EM1384569

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