Drosophila the genes for wing size

Reference no: EM1382169

In Drosophila the genes for wing size (phenotypes normal or vestigial) and bristle length (phenotypes long or short) are inherited independently. The following crosses are made, showing only the phenotypes.

Progeny!

Parental crosses
A normal, long x vestigial, long
B normal, long x vestigial, long
C normal, long x normal, short
D normal, long x vestigial, short
E normal, long x normal, long
What are the dominance relations of the alleles involved.

normal, normal, vestigial, vestigial, long short long short 246 0 250 0
302 98 297 101

150         148         48          51
89          93          90          94
315         105         90          29

Deduce the genotypes of the parents in the five crosses. Must be in the correct order. A
B
C

D
E
Do the genes segragate normally? (Chi-square)

Reference no: EM1382169

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