Chapter 10.7, Problem 2MC

Summary Introduction

To determine:

The reason for males and females to differently express recessive X-linked alleles.

Introduction:

The sex of an individual can be determined by the absence or presence of Y-chromosome. Females inherit X chromosomes from each parent, while males inherit X chromosome from mother and Y chromosome from father. Therefore, the genotype of females is XX and the genotype of males is XY.