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Fruit flies that breed true for normal wings, grey bodies andred eyes are crossed with flies that breed true for vestigialwings, black bodies and brown eyes.
All the resulting offspring have normal wings and grey bodiesand red eyes. The offspring are then crossed with flies withvestigial wings, black bodies, and brown eyes.
The resulting offspring occur:
5 normal winged, black bodies, brown eyes
75 normal winged, black bodies, red eyes
343 vestigial winged, black bodies, red eyes
73 vestigial winged, grey bodies, brown eyes
6 vestigial winged, grey bodies, red eyes
77 normal winged, grey bodies, red eyes
68 vestigial winged, black flies, brown eyes
322 normal winged, grey bodies, brown eyes
A.Are all the genes in cis or trans configuration?
B.What is the order of the three genes?
C.How far apart are the genes for wing type and body color?
D.How far apart are the genes for wing type and eye color?
E.How far apart are the genes for body color and eye color?
