A haemophilic woman marries a normal man, then
All the children will be normal
All the sons will be haemophilic
All the girls will be haemophilic
Half girls will be haemophilic
Study the pedigree chart given below.
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What does it show?
Sicklecell anaemia is
All sons of a couple are colourblind because
Which of the following abnormalities is due to autosomal dominant mutation?