In Wheat,a Cross Between Red-Kernel and White-Kernel Strains Yielded F₁

question 40

Essay

In wheat,a cross between red-kernel and white-kernel strains yielded F₁ offspring with red kernels.When the F₁ were intercrossed,the F₂ plants had a ratio of 15 red-kernel : 1 white-kernel.A testcross of the red-kernel plants yielded 3 red-kernel : 1 white-kernel.
a)What are the parental genotypes?
b)What are the F₂ genotypes and phenotypes?
c)What conclusions can be made about the allelic and gene interactions?

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