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January 31, 2015

Homework Help: biology

Posted by li ying on Tuesday, January 29, 2008 at 9:44pm.

Incomplete/Codominance Problem

In snapdragons the dominant allele "R" produces red flowers and its recessive form, "r" produces white flowers. Normally what would you expect for the F1 genotype and phenotype ratios if a homozygous red flower and a homozygous white flower are crossbred?

When the above cross is done the F1 generation is all pink flowers. What pattern of inheritance is illustrated by snapdragons? What are the F2 genotypic and phenotypic ratios if the F1 flowers are crossbred among themselves?

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