NEET Biology question
Mr. Sidd is suffering from hypertrichosis and phenylketonuria. His father is heterozygous for phenylketonuria. The probability of Sidd's sperm having one recessive autosomal allele and holandric gene is
Answer: (A)
Solution
Since Sidd himself is affected by phenylketonuria (an autosomal recessive disorder), he must be homozygous recessive for the PKU allele, so every single one of his sperm will certainly carry the recessive PKU allele (probability ); since hypertrichosis is a holandric (Y-linked) trait, it is present only on the Y
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account