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A farmer is trying to increase the diversity of corn kernel color in his crops. If the trait for corn color is controlled by two alleles and yellow corn (b) is completely dominant over white corn (b), which combination of corn should he cross to get the highest variety of genotypes in the next generation?.

Answer :

The combination of corn that must be refined to get the highest genotype variety in the next generation is Bb x Bb

Yellow is the dominant color which is denoted by an uppercase letter with genotype B. And yellow is the recessive color which is denoted by a lowercase letter with genotype b. If farmers are increasing the color diversity of corn seeds, the phenotypes that must be produced must be more yellow than white.

  • A cross of the Bb x Bb genotype will produce a phenotype ratio of 3 yellow : 1 white.
  • Crossing of the BB x BB genotypes will produce a phenotype ratio of 1 yellow.
  • Crossing of genotypes Bb x bb will produce the same phenotype ratio.
  • Crosses of the BB x bb genotypes will produce a phenotype ratio of 1 yellow.

Of the possible crosses above, the phenotype that produces more yellow is the genotype Bb x Bb cross.

Learn more about possible crosses Bb x Bb at https://brainly.com/question/28294656

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