Question

A cross between two plants yield progeny in the proportion red-flowered 1 pink-flowered 2 white-flowered 1...

A cross between two plants yield progeny in the proportion

red-flowered 1

pink-flowered 2

white-flowered 1

What is the genotype of the parents?

What is the phenotype of the parents?

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Answer #1

The type of inheritance shown in the question is incomplete dominance. The genotype of both the parents are Rr​​​​​​ and they are heterozygous. The phenotype of the parents are that they both are pink coloured. In incomplete dominance, the heterozygous individual shows an intermediate trait which is neither recessive nor dominant. Rr x Rr would yield one RR individual (red coloured), two Rr individual (pink coloured) and one rr individual (white coloured).

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