Chapter 22, Problem 7PDQ

Summary Introduction

To review:

Calculations of percentages of heterozygous carriers from the frequencies of disorder in the given populations.

Introduction:

Autosomal recessive is a genetic disorder thatappears in individuals who have received two copies of autosomal genes from both their parents. This gene is present on autosome that is non-sex chromosome. Parents who have only one copy of this genes are the heterozygous carriers.

Some examples of this disorder are cystic fibrosis, Canavan disease, congenital neutropenia.

Frequencies of the disorder in the given population are (a)0.0064,(b) 0.000081, (c)0.09, (d)0.01, and (e)0.10