In Drosophila, the gene for wing type is known to be autosomal with vestigial wings (vg) known to the recessive to normal, long wings (+).  You are already familiar with the white eye gene (w) from lecture with the normal color being red (+).  Answer the following questions assuming an initial cross (P1) between a pure breeding white eyed, long winged female and a pure breeding red eyed vestigial winged male. a)            What are the parental genotypes? b)            What phenotypes would occur in the F1 generation and in what proportions? c)            What would the phenotypes and phenotypic ratios would occur in F2 generation?

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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In Drosophila, the gene for wing type is known to be autosomal with vestigial wings (vg) known to the recessive to normal, long wings (+).  You are already familiar with the white eye gene (w) from lecture with the normal color being red (+).  Answer the following questions assuming an initial cross (P1) between a pure breeding white eyed, long winged female and a pure breeding red eyed vestigial winged male.

a)            What are the parental genotypes?

b)            What phenotypes would occur in the F1 generation and in what proportions?

c)            What would the phenotypes and phenotypic ratios would occur in F2 generation?

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