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Question

How many phenotypic classes are produced for a pair of characters in a monohybrid test cross __________.

A
2
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B
4
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C
1
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D
3
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Solution

The correct option is A 2

crossing of F1 individual with double homozygous recessive progeny is called Test cross. It is used to determine whether F1 progeny is homozygous or heterozygous. In this 2 types of phenotypic classes appear.

So, the correct option is ‘2’.

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