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What Is Polygenic Inheritance?

When a tall a...

Question

When a tall and red-flowered plant is crossed with a dwarf and white-flowered plant, the phenotype in the progeny is dwarf and white. What will be the genotype of tall and red flowered individual ?

A

TTRR

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B

TtRR

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C

TtRr

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D

TTRr

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Solution

The correct option is C TtRr
Parents : TtRr (Tall red flowers) x ttrr (Dwarf and white flowers)
Gametes : T t R r and t r
F $_{1}$ generation: TtRr (Tall red flowers) and ttrr (Dwarf white flowers).

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