Determine the phenotypic ratio

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I made a cross between a female fly with vestigial wing size and a male fly with an incomplete wing vein mutation. Carefully study the phenotype of this male fly to be sure that you understand the effect of the incomplete allele.

I saw that all the offspring were wildtype (+)

Next I mated the two offspring, I got about 5000+,2500 vg, and 1700 RI

So based off those results:

Determine which mutation is epistatic? Is the vestigial mutation dominant or recessive? Determine the phenotypic ratio that appeared in the dihybrid F2 generation, and use chi-square analysis to accept or reject this ratio.

 

Reference no: EM1387905

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