Human Biology: Concepts and Current Issues
Human Biology: Concepts and Current Issues
7th Edition
ISBN: 9780321821652
Author: Michael D. Johnson
Publisher: Benjamin Cummings
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Chapter 19, Problem 6AWK
Summary Introduction

To review:

The possibility of hemophilia to get inherited to female offspring as it is a sex-linked trait where mothers pass their affected gene to male offspring.

Introduction:

Hemophilia is a sex-linked or X-linked recessive disease, which is otherwise called as bleeder’s disease. A person with the affected recessive alleles lacks the blood clotting factor, which makes it difficult for the blood to clot during injury. The gene for the blood clotting factor is present in the X chromosome and it is inherited from parents to offspring. In general, two recessive alleles are necessary for the disease to get expressed and the dominant allele is represented as XH and recessive allele is represented as Xh.

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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY