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Chapter 2The Central Dogma: Exploring
Genetic Disease
Figure 2.1: “Sickled” red blood cells
© Eye of Science/Photo Researchers, Inc.
Figure 2.2: The hemoglobin molecule
Figure 2.3: An individual has two copies of each gene: the same (homozygous) or different (heterozygous)
Figure 2.4: Four possible outcomes for the child of two carriers of the sickle-cell trait. W=wild-type allele; S=sickle-cell allele
Figure 2.5: A DNA molecule is made up of two strands of nucleotides
Figure 2.6: Synthesis of RNA, a single-stranded molecule complementary to one of the two DNA strands
Figure 2.T1: The Genetic Code
Figure 2.7: Diagram showing how a single gene encoded in DNA is transcribed and translated to produce a protein
Figure 2.8: The human HBB gene in FASTA format
Figure 2.9: A vest designed to improve lung function for cystic fibrosis patients
© 2008 Hill-Rom Services, Inc., Reprinted with Permission-All rights Reserved.
Figure 2.10: Schematic diagram showing the structure of the CFTR protein that regulates transport of chloride through cell membranes