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Cinnabar eyes (cn) and reduced bristles (rd) are autosomal recessive characters in Drosophila. A homozygous wild-type...

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Biology

Cinnabar eyes (cn) and reduced bristles (rd) are autosomalrecessive characters in Drosophila. A homozygous wild-type femalewas crossed to a reduced, cinnabar male, and the F1 males were thencrossed to the F1 females to obtain the F2. Of the 400 F2 offspringobtained, 292 were wild type, 9 were cinnabar, 7 were reduced, and92 were reduced and cinnabar.

Briefly explain (2 sentences) these results and estimate thedistance between the cn and rd loci.

Answer & Explanation Solved by verified expert
3.7 Ratings (477 Votes)
Answer The homozygous wild type female genotype cnrdcnrd The genotype for reduced cinnabar male cnrdcnrd The cross will give rise to F1 genotype cncnrdrd The F1 female will produce the gamates cnrd cnrd cnrd and cnrd    See Answer
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