Which of the following cross will give recessive progeny in $F_{1}$ generation?

T T \times t t

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T t \times T T

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t t \times t t

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T T \times T T

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Solution

The correct option is C $t t \times t t$
The cross between tt X tt will produce recessive progeny in the $F_{1}$ generation, because both the parents have recessive allele. So, the gametes will have only t.
So, the correct answer is ' $t t \times t t$ '

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