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Glenn Nichols, surrounded by his hospice team. The author is in yellow.

Genetic Linkage

When a Disease is Genetic but not Inherited: Bea Rienhoff's Story

July 4, 2013

Tags: exome sequencing, mutation, textbook, human genetics

Hugh and Bea Rienhoff (credit: Leah Fasten)
Genetics is the study of genes, DNA, and variation; heredity is the passing of inherited traits from parents to offspring. Families with one member, typically a child, who has a collection of unusual symptoms that donít fit any clinical diagnosis may in fact have a genetic disease Ė but one that arose spontaneously in the child, rather than having been inherited from carrier parents.

Exome sequencing is helping to solve these genetics-but-not-heredity mysteries. The story of one little girl and her fatherís efforts to find her mutant gene, and how the tale wove in and out and now back into my human genetics textbook, illustrates the evolution of personalized genomic medicine.

THE BEA PROJECT
When Hugh Rienhoff first saw his daughter Bea, born in December 2003, he knew something was wrong. Her long feet, clenched fingers, poor muscle tone, widely-spaced hazel eyes, and a facial birthmark might have been just peculiarities to anyone who wasnít also a physician and a geneticist. (more…)

instruction
Project to engage students in helping families with rare genetic diseases
Book Club Reader's Guide
Many challenging questions to stimulate thought and discussion.
Instructor's Guide
38 discussion questions to get students thinking and talking about gene therapy, including the science, ethical issues, and the drug approval process.
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The Forever Fix is the uplifting true story of 8-year-old Corey Haas, who was cured of hereditary blindness just 4 days after gene therapy.
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A spectacularly-illustrated, clearly written human anatomy and physiology textbook, used in pre-health profession programs throughout the U.S.
A highly engaging, clearly written, beautifully illustrated introduction to the science of human genetics for the non-scientist. Now in its 11th edition, 12th to be published in September 2018.
Nonfiction
An ideal starting point for anyone who wants to know more about genes, DNA, genomes, and the genetic ties that bind us all.

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