Dihybrid Cross: Definition & Example


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question 1 of 3

A dihybrid cross involves ______.

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1. The phenotypic ratio in a dyhybrid cross is _____~.

2. Two mammals with the genotype CcEe are crossed. 'C' produces a thick coat of fur and is dominant to 'c,' which produces a thin fur coat. 'E' produces brown eyes and is dominant to 'e,' which produces red eyes. What fraction of offspring would you except to have both a thin fur coat and brown eyes?

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About This Quiz & Worksheet

The questions will mainly test you on the definition of dihybrid crosses. Some of the questions will also ask you about the possible characteristics of these genes.

Quiz & Worksheet Goals

The assessment will test your ability to use the definitions of:

  • Phenotypes and phenotype ratios
  • Dihybrid cross
  • Heterozygous alleles

Skills Practiced

The quiz will have you practice these skills:

  • Reading comprehension - ensure that you draw the most important information from the related dihybrid cross lesson
  • Interpreting information - verify that you can read information regarding phenotype ratios and interpret them correctly
  • Defining key concepts - ensure that you can accurately define main phrases, such as alleles and genes

Additional Learning

This quiz has an accompanying lesson Dihybrid Cross: Definition & Example that can help you further review these topics. The topics include:

  • Defining dihybrid individuals
  • Identifying dihybrid crosses
  • Exploring heterozygous genes
  • Considering the relationship between dihybrid crosses, phenotypes, and genotypes