If the proportion of F₂ individuals resembling either of the two most extreme phenotypes (the parental phenotypes) can be determined, what formula can be applied to determine the number of gene pairs involved?

Question

If the proportion of F2 individuals resembling either of the two most extreme phenotypes (the parental phenotypes) can be determined, what formula can be applied to determine the number of gene pairs involved?

If the proportion of F₂ individuals resembling either of the two most extreme phenotypes (the parental phenotypes) can be determined, what formula can be applied to determine the number of gene pairs involved?