Question

Two different strains of Drosophila, one from the United States and one from France, were studied for linkage of genes on chromosome 3. Each strain was analyzed for traits associated with genes a-f on chromosome 3. The recombinant frequencies (in %) for each strain are shown in the tables below. (ind = independent assortment = 50% RF).

A) What's the order of the genes in the France strain? (Enter your answer as the letters of the genes in their order along the chromosome, without spaces. )

US strairn France strain 30 19 18 15 37 12 23 35 37 29 17 15 20 ind 32 12 14 34 15 33 ind 19 0 2 15 17

B) What's the order of the genes in the US strain?

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Answer 1

Part A Order of genes in France strain: deabcf Order of genes in US strain: dbaecf

In Frane strain ˇ 心 ea 0ndu ba e c 3 u