Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Which of the statements about human sex chromosomes is correct?

AFemales have an X chromosome and a Y chromosome.
BFemales have two Y chromosomes.
CMales and females have at least one X chromosome.
DMales and females have at least one Y chromosome.

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