Chapter 13, Problem 9TYK

Summary Introduction

To review:

The reason behind different phenotypes XO (Turner syndrome) humans with females and XXY (Klinefelter's syndrome) humans with males even after X-inactivation.

Introduction:

Turner’s syndrome is the syndrome in which female individuals possess 45 chromosomes instead of 46 due to monosomy of the X chromosome. Klinefelter's syndrome occurs in males and these individuals have an extra copy of X chromosome and thus possess 47 chromosomes instead of 46.