Answered: 1 The genes for human…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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1 The genes for human hemoglobin
polypeptides are located in two ________ clusters.

Expert Solution

Step 1

Genes are the stretch of DNA that code for a specific protein and are present in a linear order on chromosomes.

Step 2

When a number of closely related genes arise by duplication and sequence divergence in a common ancestral gene, these genes constitute a gene family.

Step 3

Some gene families include identical members which in turn together constitute a gene cluster. A gene cluster may have two to hundreds of the related genes that have originated by duplications.

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