What is the ratio of a progeny of cross between $F_{1}$ heterozygous and recessive?

3:1

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1:2:1

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1:1

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2:1

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Solution

The correct option is B 1:1
Genotypes for producing F $_{1}$ generation:
Genotypes: TT x tt
Gametes: T t
F $_{1}$ : Tt
Crossing of F $_{1}$ with recessive genotype:
Tt x tt
Gametes: T, t t
F $_{2}$ : Tt and tt
Ratio of F $_{2}$ : 1 : 1

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What is the ratio of a progeny of cross between F1 heterozygous and recessive?

The correct option is B 1:1Genotypes for producing F1 generation:Genotypes: TT x ttGametes: T tF1: TtCrossing of F1 with recessive genotype: Tt x ttGametes: T, t tF2: Tt and ttRatio of F2: 1 : 1

What is the ratio of a progeny of cross between $F_{1}$ heterozygous and recessive?

The correct option is B 1:1
Genotypes for producing F $_{1}$ generation:
Genotypes: TT x tt
Gametes: T t
F $_{1}$ : Tt
Crossing of F $_{1}$ with recessive genotype:
Tt x tt
Gametes: T, t t
F $_{2}$ : Tt and tt
Ratio of F $_{2}$ : 1 : 1