Given below is pedigree chart showing the inheritance of a certain trait in human. Select the correct option for the given chart
Autosomal dominant trait
Autosomal recessive trait
Sex linked recessive
Sex linked dominant
The daughter born to haemophilic father and normal mother could be
$A$ - Sickle-cell anaemia is sex linked recessive trait
$R$ - This disease is controlled by more that two pair of alleles
A couple whose sons are colourblind with $AB$ blood group, identify the parents from the following..
A normal woman whose father was colourblind. marries a normal man. What kinds of children can be expected and in what proportion?
A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called