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In Drosophila,h Determines Hairy Body (H+ = Smooth)and Se Determines

Question 45

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In Drosophila,h determines hairy body (h+ = smooth)and se determines sepia eyes (se+ = red).The loci are approximately 40 m.u.apart on an autosome.A cross was made: se h+/se h+ X se+h/se+h,and the F1 were all wild type.F1 females were testcrossed to se h/se h males and the offspring were:
39 sepia eyes.
42 hairy body. a)What progeny and in what proportions were expected?
b)Provide an explanation of the observed results if they differ from expectations.

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a)Expected: 30% sepia,30% hairy,20% wild...

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