When pure breeding White Leghorn chickens are crossed with pure breeding White Wyandotte chickens, all the...

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When pure breeding White Leghorn chickens are crossed with pure breeding White Wyandotte chickens, all the...

When pure breeding White Leghorn chickens are crossed with pure breeding White Wyandotte chickens, all the F1 birds are white. When the F1 birds are crossed with each other F2 birds appear in a ratio of 40 white: 10 colored.

a.) Which ratio is approximated by the F2 offspring in the cross and what interaction is indicated by this ratio?

b.) Assign genotypes to the purebred White Leghorn and Wyandotte chickens and to their F2 and F2 progeny.

c.) Draw a hypothetical pathway to explain the observed ratios of white and colored chickens in the F2 generation.

science biology

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