Research Method

(a) Starting with a gene product

I Immature red blood cells contain a lot of ß-globin mRNA.

Iß-Globin cDNA is used to probe a human genomic library.

(a) Starting with a gene product

I Immature red blood cells contain a lot of ß-globin mRNA.

Iß-Globin cDNA is used to probe a human genomic library.

(b) Starting with a person who has a deletion in the chromosome

These library inserts do not have the ß-globin gene.

(b) Starting with a person who has a deletion in the chromosome

Abnormal X chromosome

Abnormal X chromosome lA boy with Duchenne's muscular dystrophy lacks part of his X chromosome.

These library inserts do not have the dystrophin gene.

This library insert has the dystrophin gene.

I The absent DNA is isolated from a normal X chromosome.

I The DNA is used to probe a human gene library.

I The absent DNA is isolated from a normal X chromosome.

I The DNA is used to probe a human gene library.

These library inserts do not have the dystrophin gene.

This library insert has the dystrophin gene.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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