Biology 5090 · O Level · Inheritance

Inheritance — practice question

The table gives the genotypes and phenotypes for hair colour of the family members, although one phenotype has been recorded wrongly. The family members, together with their genotypes (allele 1 / allele 2) and hair colour, are: - mother: a / A, brown - father: A / A, brown - son 1: a / A, blonde - daughter 1: a / a, blonde - son 2: A / A, brown - daughter 2: A / a, brown Which family member has the phenotype shown incorrectly?

  • Adaughter 1
  • Bdaughter 2
  • Cson 1
  • Dson 2

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