Punnett Squares – Dominant and Recessive Inheritance – Worksheet

$7.00

Worksheet to accompany the online lessons Dominance, Incomplete Dominance and Codominance and Punnett Squares.

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punnett squares dominant and recessive inheritance worksheet

 

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Description

Worksheet Contents

  • This worksheet covers:
  • Constructing Punnett squares for traits that exhibit dominant and recessive inheritance.
  • Determining parental alleles.
  • Determining possible genotypes of offspring.
  • Determining possible phenotypes of offspring.
  • Determining probabilities of different genotypes and phenotypes in offspring.
  • Determining genotypes of parents based on phenotypes observed in offspring.
  • Includes:
  • Unit outline.
  • Completing and interpreting Punnett squares.
  • Short-answer questions.
  • Teacher version containing complete answers.
  • Aligned to the Australian Year 10 Science curriculum.
  • 7 pages.

Learning Outcomes

  • By the end of this worksheet students will be able to:
  • ☑   Use a Punnett square to determine the possible genotypes and phenotypes of offspring for traits that exhibit dominant and recessive inheritance.
  • ☑   Use a Punnett square to determine the probabilities of different genotypes and phenotypes in offspring for traits that exhibit dominant and recessive inheritance.
  • ☑   Determine genotypes of parents based on the numbers of different phenotypes observed in offspring for traits that exhibit dominant and recessive inheritance.
  • ☑   Explain why observed offspring phenotype ratios can differ from ratios predicted by Punnett squares.

 

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