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NEET Biology question

BiologyPrinciples of Inheritance and VariationNEET

In *Antirrhinum*, two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by , and white by genes.

Answer: (C)

Solution

This is a case of incomplete dominance, where pink is the heterozygous intermediate phenotype, . Crossing two pink () plants produces offspring in the classic monohybrid genotypic ratio , which

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Question ID VK-120174