Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 46
... nucleotide triplets in mRNA SECOND NUCLEOTIDE FIRST NUCLEOTIDE U C A UUU Phe UCU UAU ސ Tyr UUC UCC UAC UGU G UGC Cys U Ser UUA UUG } UCA UAA Chain End UGA Chain End Leu UCG UAG Chain End UGG Trp CUU C CU CAU CGU His CUC CC C CAC CG C C ...
... nucleotide triplets in mRNA SECOND NUCLEOTIDE FIRST NUCLEOTIDE U C A UUU Phe UCU UAU ސ Tyr UUC UCC UAC UGU G UGC Cys U Ser UUA UUG } UCA UAA Chain End UGA Chain End Leu UCG UAG Chain End UGG Trp CUU C CU CAU CGU His CUC CC C CAC CG C C ...
Pagina 145
... nucleotides is sometimes the same in two genes , even though the proteins for which they code differ greatly in the rate at which their amino acid composition changes ( Kimura 1983b ) . Finally , the rate of nucleotide substitution has ...
... nucleotides is sometimes the same in two genes , even though the proteins for which they code differ greatly in the rate at which their amino acid composition changes ( Kimura 1983b ) . Finally , the rate of nucleotide substitution has ...
Pagina 309
... nucleotide differences ) between A and E is Dae = a + c + d . That between B and E is DBE = b + c + d . If the rate of nucleotide substitution is constant , a = b , so DAE = DBE . If constancy of rate holds throughout the tree , the dis ...
... nucleotide differences ) between A and E is Dae = a + c + d . That between B and E is DBE = b + c + d . If the rate of nucleotide substitution is constant , a = b , so DAE = DBE . If constancy of rate holds throughout the tree , the dis ...
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance