Session 16-Alkaptonuria

Question 1

What is alkaptonuria?

Answer 1

Rare inherited genetic disorder in which the body cannot process phenylalanine and tyrosine, leading to black urine

Question 2

What is the wildtype phenotype?

Answer 2

Yellow - we all know normal urine stays yellow when exposed to air

Question 3

How is a consanguineous marriage (first cousin marriage) shown on a pedigree diagram?

Answer 3

Double line between partners