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A true-breeding red snapdragon was crossed to a true-breeding white snapdragon. The F1 progeny were pink. When F1 x F1 matings were made, the following F2 progeny were observed.

1850 red
670 pink
831 white

Total 3351

a. Using clearly defined genetic symbols, give the appropriate parental, F1 and F2 genotypes in order to describe the above results.

b. What phenotypic ratio would be expected from a testcross of an F1 snapdragon

c. Suppose the white phenotype is now lethal. What phenotypic ratio would be expected from a cross between F1 individuals?

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  • Category:- Biology
  • Reference No.:- M928124

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