Yellow body color (y), crossveinless wings(cv) and forked bristles (f) are all recessive and in that...

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Biology

Yellow body color (y), crossveinless wings(cv) and forkedbristles (f) are all recessive and in that order on the Xchromosome in Drosophila. Yellow is 14 map units from crossveinlessand crossveinless is 22 map units from forked. A yellow,crossveinless female is crossed to a forked male. An F1 female istestcrossed to a male expressing all three traits. If thecoefficient of coincidence is 0.9, how many completely wild typeflies will be observed out of 1000?
From the same testcross, how many flies will express forkedonly?
How many flies expressing yellow only will be observed?
Please explain and show work.

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Cross 1 y cv fy cv f x y cv fYF1 y cv fy cv f Trihybrid femaleTest Cross F1 Female x Tester Maley cv fy cv f x y cv fY1 How many completely wild type flies will be observed out of1000Completely Wildtype progeny will be observed when there is asingle crossover between the cv and f loci producing y cv f and ycv f progeny Since the Map distance between the cv and See Answer

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