Genetics: A Conceptual Approach
Genetics: A Conceptual Approach
6th Edition
ISBN: 9781319050962
Author: Benjamin A. Pierce
Publisher: W. H. Freeman
Question
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Chapter 4.2, Problem 31AQP
Summary Introduction

To determine:

The mode of inheritance for Craniofrontonasal syndrome CFNS on the basis of the given result.

Introduction:

Craniofrontonasal syndrome occurs due to mutations in the ephrin-B1(EFNB1) gene. It is an X-linked disorder. In this case, males usually suffer from hypertelorism, and it is an abnormal condition, which increases the distance between two organs. Females suffer from abnormal development of the head and face before birth. In this disease, patients suffer from various other skeletal abnormalities.

Summary Introduction

To explain:

The most likely genotype of the parents in family 1 and in family 10a.

Introduction:

Craniofrontonasal syndrome occurs due to mutations in the ephrin-B1(EFNB1) gene. It is an X-linked disorder. In this case, males usually suffer from hypertelorism, and it is an abnormal condition, which increases the distance between two organs. Females suffer from abnormal development of the head and face before birth. In this disease, patients suffer from various other skeletal abnormalities.

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