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A tall pea plant of genotype Tt is test crossed. What phenotypic ratio is expected in the progeny?
A3 tall : 1 dwarf
B1 tall : 1 dwarf
C1 tall : 3 dwarf
D2 tall : 1 dwarf
Answer & Solution
Correct answer: B. 1 tall : 1 dwarf
Tt makes T and t gametes equally, while tt makes only t, so half the offspring are Tt tall and half are tt dwarf.
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