Biology 0610 · IGCSE · Variation

Variation — practice question

The following characteristics were observed in a pair of identical twins. Which of these characteristics shows phenotypic variation?

  • Aeye colour and weight
  • Blobed ears and hair length
  • Ctongue rolling and lobed ears
  • Dweight and hair length

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI