IGCSE
EDEXCEL
Biology (UK)
10 Marks
QP-Biology-201606-U3H-local · Question 4
Question (excerpt):
10 4 Haemophilia is a recessive sex-linked genetic disorder. The letter h is used for the recessive allele and H for the dominant allele. The diagram shows the inheritance of haemophilia in a family. …
10 4 Haemophilia is a recessive sex-linked genetic disorder. The letter h is used for the recessive allele and H for the dominant allele. The diagram shows the inheritance of haemophilia in a family. …
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