Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 21 - Assess - Page 475: 2

Answer

d.

Work Step by Step

Option a. is incorrect. The locus is the spot on a chromosome where a gene is found. Option b. is incorrect. A carrier is a person that has a copy of a particular allele in their chromosomes. Option c. is incorrect. An allele that is dominant is the one that is expressed. Option d. is correct. An allele is a form of a gene.
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