Chapter 22, Problem 6PDQ

Summary Introduction

To determine: The suggestion given by the genetic counselor to the couple having mutated gene for cystic fibrosis.

Introduction: Cystic fibrosis is caused by impairment in the glands that synthesizes mucus, sweat, and digestive enzymes. In this condition, the thin mucous clogs which transport digestive enzyme to the small intestine thereby decreasing the digestive efficiency. It is an autosomal recessive disease. The disease condition would appear only when an individual has a homozygous recessive (aa) gene for this disorder