When a heterozygous dominant is crossed with homozygous recessive, then the ratio of progeny will be

1 : 2

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2 : 1

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3 : 1

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1 : 1

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Solution

The correct option is D 1 : 1
Heterozygous dominant when crossed with homozygous recessive, it is called as test cross.
Parent: Tt (Tall) X tt (Dwarf)
Gamete: T t and t
F $_{1}$ generation: Tt, tt
The ratio is 1 : 1.

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When a heterozygous dominant is crossed with homozygous recessive, then the ratio of progeny will be

The correct option is D 1 : 1Heterozygous dominant when crossed with homozygous recessive, it is called as test cross.Parent: Tt (Tall) X tt (Dwarf) Gamete: T t and t F1 generation: Tt, ttThe ratio is 1 : 1.

The correct option is D 1 : 1
Heterozygous dominant when crossed with homozygous recessive, it is called as test cross.
Parent: Tt (Tall) X tt (Dwarf)
Gamete: T t and t
F $_{1}$ generation: Tt, tt
The ratio is 1 : 1.