What is the genotype of a plant showing a dominant phenotype of violet flowers if it is test crossed and produces both violet-flowered and white-flowered plants?(a) VV(b) Vv(c) vv(d) vThis question was addressed to me at a job interview.I want to ask this question from Inheritance Principles topic in section Principles of Inheritance and Variation of Biology – Class 12

What is the genotype of a plant showing a dominant phenotype of violet

1.	What is the genotype of a plant showing a dominant phenotype of violet flowers if it is test crossed and produces both violet-flowered and white-flowered plants?(a) VV(b) Vv(c) vv(d) vThis question was addressed to me at a job interview.I want to ask this question from Inheritance Principles topic in section Principles of Inheritance and Variation of Biology – Class 12
Answer» Right choice is (b) Vv Easiest EXPLANATION: If a cross occurs between violet-flowered and white-flowered plants, the OFFSPRINGS will have an allele V. To have both violet and white flowers, the violet-flowered PARENT should be able to PRODUCE both V and v containing gametes. Thus, the genotype of the unknown parent will be Vv.

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