3a. Speckled Chickens-- Codominance Feather color in chickens is a codominant trait. The allele for black feathers can be written as (B) and the allele for white feathers can be written as (W). The resulting phenotype of the heterozygous genotype is a black and white speckled chicken (BW). Please fil in the Punnett square below and predict the genotypic and phenotypic ratios that will be observed by a cross between a (BW) genotype parent and a (WW) genotype parent. (blank) 3b. Write the proportions, percents, and ratios for the genotypes and phenotypes of this cross Genotype: Proportions/Percents: BB- /4 or BW /4 or WW = /4 or Ratio: Phenotype: Proportions/Percents: Black chickens = /4 or Speckled chickens = /4 or White chickens = /4 or

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