Moderate
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Question
Determine the nature of the pea plant germinated from the seed produced as a result of pollination between a hybrid tall (Tt) and a pure dwarf (tt) pea plant:
(a) 100% Tall
(b) 50% Tall, 50% Dwarf
(c) 100% Dwarf
(d) 75% Tall, 25% Dwarf
WBBSE
Class X
Life Science
03 (a) Heredity
01 Mark
2022
Answer
(b) 50% Tall, 50% Dwarf
Explanation
A hybrid tall plant (Tt) crossed with a pure dwarf (tt) results in a 1:1 ratio of genotypes Tt (tall) and tt (dwarf). Hence, 50% of offspring will be tall and 50% dwarf.
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