Bio 102 – The Inheritance Of Alkaptonuria, A Biochemical Disorder

The pedigree below traces the inheritance of alkaptonuria, a biochemical disorder. Affected individuals, indicated here by the filled-in circles and squares, are unable to break down a substance called alkapton, which colors the urine and stains body tissues. Does alkaptonuria appear to be caused by a dominant or recessive allele? Explain. What is George’s phenotype?

Originally posted 2018-07-17 03:55:17. Republished by Blog Post Promoter

BIO 102 – the inheritance of alkaptonuria, a biochemical disorder

Question
The pedigree below traces the inheritance of alkaptonuria, a biochemical disorder. Affected individuals, indicated here by the filled-in circles and squares, are unable to break down a substance called alkapton, which colors the urine and stains body tissues.
Does alkaptonuria appear to be caused by a dominant or recessive allele? Explain.
What is George’s phenotype?