Inheritance & EvolutionVery High Exam FrequencyAQAEdexcelOCRWJEC

Genetic Inheritance

Genetic inheritance patterns, alleles, and inheritance diagrams

What you'll cover

  • Dominant and recessive alleles
  • Homozygous and heterozygous genotypes
  • Inheritance diagrams and Punnett squares
  • Phenotype and genotype relationships

Sample Flashcards

What does the term "dominant" mean in genetics?
An allele that is always expressed when present (shown with CAPITAL letter, e.g., B)
What is the bossy vs shy allele analogy used for?
To explain how dominant and recessive alleles interact to determine a trait.

Sample Questions

What is the term for an allele that is always expressed when present?

  • A. Recessive allele
  • B. Dominant allele
  • C. Homozygous genotype
  • D. Recessive phenotype
1 markfoundation

What is the purpose of a Punnett square in genetic inheritance?

3 marksstandard

25

exam-style questions

25

revision flashcards

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