Drosophila can have a yellow-brown body (wild-type [+]) or a black body [b] as a result of a mutation in the black gene (marked b). a mutation in the black gene (marked b). There is also a mutation in the purple gene (marked pr) which purple eyes (mutant phenotype [pr]). Flies with normal eyes are noted [+]. a/ Pure strains of male Drosophila [b] are crossed with female Drosophila [pr] (1st cross). The F1 progeny contains only wild-type Drosophila for the two [+, +] traits. both [+, +] traits. The reciprocal cross gives the same result. F1 females from the first cross are crossed with [b, pr] double mutant males. The progeny is composed of : 944 [b, +] 936 [+, pr] 56 [+, +] 64 [b, pr] How do you explain this segregation? How many percentage recombination
Drosophila can have a yellow-brown body (wild-type [+]) or a black body [b] as a result of a mutation in the black gene (marked b). a mutation in the black gene (marked b). There is also a mutation in the purple gene (marked pr) which purple eyes (mutant
a/ Pure strains of male Drosophila [b] are crossed with female Drosophila [pr] (1st cross). The F1 progeny contains only wild-type Drosophila for the two [+, +] traits. both [+, +] traits. The reciprocal cross gives the same result.
F1 females from the first cross are crossed with [b, pr] double mutant males. The progeny is composed of :
944 [b, +]
936 [+, pr]
56 [+, +]
64 [b, pr]
How do you explain this segregation? How many percentage recombination
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