Biology 5090 · O Level · Inheritance

Inheritance — practice question

Regarding the inheritance of blood groups:
(a(i))[3]

Explain the meaning of dominance.

(a(ii))[3]

Explain the meaning of codominance.

(b)[4]

Explain how the chromosome number in a gamete differs from that in a body cell.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “alleles control characteristics” …

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