Two pure-breeding strains of flies are mated, and the F1 are intercrossed. The first strain has curled wings and black bodies. The second strain has straight wings and brown bodies. The F2 progeny are 271 straight wings with brown bodies, 31 curled wings with black bodies, 94 curled wings with brown bodies and 90 straight wings with black bodies. If the F1 were backcrossed to the straight, wing brown bodied parent, what phenotypes would be produced among the progeny? What
Two pure-breeding strains of flies are mated, and the F1 are intercrossed. The first strain has curled wings and black bodies. The second strain has straight wings and brown bodies. The F2 progeny are 271 straight wings with brown bodies, 31 curled wings with black bodies, 94 curled wings with brown bodies and 90 straight wings with black bodies.
If the F1 were backcrossed to the straight, wing brown bodied parent, what
The cross asked in the question is a dihybrid cross because two characters are involved here. First we will decide which one is the dominant character and which one is the recessive. Then we would choose the genotype of each character and we would start off with the dihybrid cross. Later on after obtaining the ratio of dihybrid cross we will then proceed for a back cross where f1 is crossed with a dominant phenotype.
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