In Mendel’s monohybrid cross of tall vs dwarf plants, the F1 progeny are
A
Homozygous
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B
Heterozygous
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C
Hemizygous
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D
Either a or b
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Solution
The correct option is B
Heterozygous
Mendel’s monohybrid cross involves two pure plants, say one tall (TT) and one short (tt). Hence F1 progeny would have been all heterozygous (Tall, say Tt).