paeds631

Genetic point mutation occurs in which of the given genetic abnormalities?

paeds612

Which one of the following fulfils the diagnostic criteria for neurofibromatosis type 1?

paeds613

Which of the following features is least likely to be present in a 14-year-old girl with Down’s syndrome?

paeds614

A boy with Tay-Sachs disease has a sister who is normal and healthy. What is her risk of being a carrier for the condition?

paeds617

Which is true regarding XYY syndrome?

paeds618

Which of the following conditions does not manifest as an autosomal-recessive inheritance?

paeds619

Which of the following conditions is due to a deletion of chromosome 15q inherited from the father?

paeds620

Which of the following conditions is inherited in an autosomal recessive fashion?

paeds621

Which of the following conditions is NOT autosomal dominant?