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Two snapdragon plants one with red …

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Two snapdragon plants one with red flowers and other with white flowers are crossed with each other, F1 progeny produced had pink flowers. a) Name the phenomenon responsible for it. b) What will be the genotype of F1 generation? c) Find out genotypic and phenotypic ratio of F2 generation with the help of cross.

Posted by Bhumi Dehariya 4 years, 8 months ago

CBSE > Class 12 > Biology

1 answers

Komal Jena 4 years, 8 months ago

(a) This phenotype expression is called incomplete dominance. (c) The phenotypic ratio deviates from a typical Mendelian monohybrid ratio of 3 : 1 to 1 : 2 : 1. Since the heterozygous hybrid individual shows a different phenotype, i.e., pink colour flowers. The genotypic ratio remains the same as the Mendelian monohybrid ratio, which is also 1 : 2 :1

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