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The Punnett Tool

When a red fl...

Question

When a red flowered homozygous pea plant is crossed with a white flowered plant. What color is produced in $F_{1}$ generation?

A

Red

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B

White

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C

Pink

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D

Red and white

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Solution

The correct option is B Red
The genotype of the red flowered homozygous pea plant: RR
The genotype of the white flowered pea plant: rr
Parents: RR X rr
F $_{1}$ generation: Rr (Red flower)
The pea plant shows complete dominance in which the dominant allele R masks the expression of the recessive allele r. So, all the plants will have red coloured flowers.
Thus, the correct answer is option A.

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