Lesson Details

  • Name: Variation and inheritance
  • Code: B.4.10.I.5
  • Specification Reference:
  • Keywords: Genetics, variation, characteristics
  • Objectives: To recall all keywords in spec ( To recall female sex chromosomes as xx and males as xy. To use Punnett squares and genetic crosses to determine the probability of a characteristic. To explain that most characteristics are the result of multiple genes.
  • Competency: Give examples of characteristics controlled by a single gene and describe their alleles.
  • Proficiency: Interpret the results of a genetic cross diagram and use direct proportion and simple ratios to express the outcomes. Describe the genotypes and phenotypes of the offspring.
  • Mastery: N/A

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