Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

A sperm cell from a domestic cat has 19 chromosomes. If this cell fertilises an egg, which zygote is formed?

  • Adiploid, with 19 chromosomes
  • Bdiploid, with 38 chromosomes
  • Chaploid, with 19 chromosomes
  • Dhaploid, with 38 chromosomes

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