Question
a.
A/- B/- : A/- b/b : a/a B/-
b.
a/a B/- : a/a b/b : a/a b/-
c.
A/A B/-: A/- B/-: a/a b/b
d.
A/- -/- : a/a B/-: a/a b/b
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Q. Dominant epistasis ratio with A as epistatic gene 12:3:1 corresponds to ________________
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