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Question

tt mates with Tt. What will be characteristic of offspring

A
75% recessive
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B
50% recessive
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C
25% recessive
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D
All dominant
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Solution

The correct option is B 50% recessive

When heterozygous tall(Tt) is crossed with homozygous recessive dwarf(tt), it is said to be test cross. In the 50% progeny are heterozygous tall(Tt) and remaining 50% progeny are homozygous recessive dwarf(tt) are formed.

So, the correct option is ‘50% recessive’.
1120747_687683_ans_30956403d49e4ab9bbde139e1647ff9d.jpg

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