Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

The diagram illustrates part of a genetic diagram for the inheritance of sex in humans. What are the sex chromosomes in gamete P and in the male offspring?

  • AP: X, male offspring: XX
  • BP: X, male offspring: XY
  • CP: Y, male offspring: XX
  • DP: Y, male offspring: XY

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