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L20_B
L20_C
20.1 New approaches have accelerated the pace of genome sequencing
20.2 Scientists use bioinformatics to analyze genomes and their functions
20.3 Genomes vary in size, number of genes, and gene density
20.4 Multicellular eukaryotes have much noncoding DNA and many multigene families
20.5 Duplication, rearrangement, and mutation of DNA contribute to genome evolution
20.6 Comparing genome sequences provides clues evolution and development