Sources
This page is the complete source index for the guide: every source referenced from
evolution_study_guide_sources.md, the project's canonical citation registry,
grouped below by source role. The grouping describes what a source is (an original
experiment, a review, an advocacy piece, and so on), not how much weight its claims should be
given — see the source-type legend for what each label means.
Each chapter also ends with its own “Sources for This Chapter” section listing only the sources actually cited on that page; this index is the full registry across the whole guide. The table below is generated directly from the registry, so it stays in sync with every source cited anywhere in the guide.
Source Type Legend
Sources throughout this guide are labeled by type. This classification describes what a source is, not how much weight its claims should be given.
- Primary Research — original experimental, observational, genomic, paleontological, or quantitative analysis.
- Primary Theoretical Research / Modeling — original mathematical or simulation work.
- Review / Synthesis — scholarly synthesis rather than a new primary dataset.
- Methods / Conceptual — a methodological or definitional contribution.
- Scholarly Critique / Response — peer-reviewed methodological or interpretive debate.
- Scientific Organization — an institutional reference or scientific-consensus resource.
- ID Advocate — a source whose purpose is to argue for Intelligent Design.
- Creationist Research Organization — a source produced to support a creationist model; its specific perspective (e.g. young-earth) is stated in context where relevant.
- Historical Source — a historically important source rather than current empirical evidence.
Primary Research
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-001 Four-generation pedigree mutation study | Genetics | Empirical | Direct mutation/inheritance evidence |
| SRC-002 Icelandic de novo mutation study | Genetics | Empirical | Mutation rates and parental-age effects |
| SRC-003 Phenotypic variation in Drosophila | Genetics | Empirical | Genotype does not determine all phenotypic variation |
| SRC-004 Genome evolution in the long-term E. coli experiment | Experimental evolution | Empirical | Long-term mutation and adaptation |
| SRC-005 Genomic basis of citrate utilization in E. coli | Experimental evolution | Empirical | Historical contingency and regulatory innovation |
| SRC-006 Stickleback selection experiment | Natural selection | Empirical | Field selection and allele-frequency change |
| SRC-007 Diminishing-returns epistasis | Evolutionary limits | Empirical | Fitness gains depend on background |
| SRC-008 Resistance constraints and genetic background | Evolutionary limits | Empirical | Accessible paths can be restricted |
| SRC-009 Darwin's finches, HMGA2 and beak size | Natural selection | Empirical | Genotype/phenotype/selection connection |
| SRC-010 Experimental neutral drift and phenotypic variation | Genetic drift | Empirical | Drift as a nonadaptive mechanism |
| SRC-011 Selection, pleiotropy and chance in bacterial evolution | Natural selection | Empirical | Multiple forces affect allele fate |
| SRC-012 Reversing selection in Darwin's finches | Natural selection | Empirical | Selection direction can change |
| SRC-013 Tragopogon polyploid speciation | Speciation | Empirical | Recent repeated plant speciation |
| SRC-014 Big Bird finch lineage | Speciation | Empirical | Observed lineage formation and reproductive isolation |
| SRC-015 Heliconius divergence with gene flow | Speciation | Empirical | Porous species boundaries |
| SRC-016 Historical hybridization among tropical eels | Speciation | Empirical | Hybridization despite persistent lineages |
| SRC-017 Cetacean hearing transition | Macroevolution | Empirical | Transitional auditory anatomy |
| SRC-018 Indohyus and early whale relatives | Macroevolution | Empirical | Morphology, isotopes and cetacean relationships |
| SRC-019 Retroposon evidence placing whales within artiodactyls | Macroevolution | Empirical | Independent molecular evidence |
| SRC-020 Tiktaalik transitional anatomy | Macroevolution | Empirical | Fish-tetrapod transitional morphology |
| SRC-021 Early tetrapod/transitional fossil analysis | Macroevolution | Empirical | Fossil sequence and acknowledged gaps |
| SRC-022 Cambrian evolutionary-rate analysis | Cambrian radiation | Empirical | Rates of morphological and molecular change |
| SRC-023 Human chromosome 2 fusion site | Common descent | Empirical | Internal telomeric fusion signature |
| SRC-024 Degenerate ancestral centromere on human chromosome 2 | Common descent | Empirical | Chromosome-fusion history |
| SRC-025 Primate endogenous retroviral insertion patterns | Common descent | Empirical | Nested inherited insertions |
| SRC-026 LINE insertion-site homoplasy in primates | Common descent | Empirical | Tests limits of insertion evidence |
| SRC-027 Gorilla genome and incomplete lineage sorting | Common descent | Empirical | Species-tree/gene-tree discordance |
| SRC-028 Conserved proteins across domains | Universal common descent | Empirical | Deep phylogenetic signal |
| SRC-034 Lateral gene transfer in prokaryotic evolution | Horizontal gene transfer | Empirical | Network-like genome histories |
| SRC-036 Aharoni et al. promiscuous protein functions | Protein evolution | Empirical | Evolution of secondary activities |
| SRC-037 Historical contingency in glucocorticoid receptor evolution | Protein evolution | Empirical | Permissive mutations and constrained paths |
| SRC-038 GFP local fitness landscape | Protein evolution | Empirical | Mutational constraints and epistasis |
| SRC-039 Morning-glory duplication and functional specialization | Gene duplication | Empirical | Escape from adaptive conflict |
| SRC-040 Recombination accelerates adaptation in yeast | Recombination | Empirical | Combines beneficial variation |
| SRC-041 Recombination combines beneficial mutations | Recombination | Empirical | Direct molecular event |
| SRC-042 Proto-gene model in yeast | De novo genes | Empirical | Continuum from noncoding sequence to genes |
| SRC-043 Biophysical properties of de novo proteins | De novo genes | Empirical | Tests candidate de novo proteins |
| SRC-044 Functional random-sequence protein in E. coli | De novo genes | Empirical | Selectable effect from random sequence |
| SRC-045 Keefe & Szostak random-sequence ATP-binding proteins | Protein sequence space | Empirical | Random library functional selection |
| SRC-046 Epistatic accessibility of mutational pathways | Protein evolution | Empirical | Mutational order and blocked routes |
| SRC-047 V-ATPase complexity via duplication and complementary loss | Molecular complexity | Empirical | Evolution of interdependence |
| SRC-048 Long-term adaptation and historical dynamics | Experimental evolution | Empirical | Cumulative adaptation and contingency |
| SRC-049 Diminishing-returns adaptation | Evolutionary limits | Empirical | Constraints on fitness gains |
| SRC-062 Zeyl, Mutational meltdown in laboratory yeast populations — Evolution | Mutation load | Empirical | Mutational meltdown under small effective population/high mutation conditions |
| SRC-064 Douglas D. Axe, Estimating the Prevalence of Protein Sequences Adopting Functional Enzyme Folds — Journal of Molecular Biology | Protein sequence space | Empirical; later ID-relevant | Estimates rarity for a beta-lactamase-like functional domain under specified assumptions |
| SRC-069 Foote & Sepkoski, Absolute measures of the completeness of the fossil record — Nature | Fossil record | Empirical | Quantitative fossil-record completeness |
| SRC-070 Benton, Wills & Hitchin, Quality of the fossil record through time — Nature | Fossil record | Empirical | Stratigraphy/phylogeny congruence across published trees |
| SRC-071 Sansom, Gabbott & Purnell, Non-random decay of chordate characters causes bias in fossil interpretation — Nature | Taphonomy | Empirical | Experimental taphonomic bias and stem-ward slippage |
| SRC-074 Liu & Ochman, Stepwise formation of the bacterial flagellar system — PNAS | Bacterial flagellum | Empirical | Comparative-genomic reconstruction of flagellar gene-family history |
| SRC-076 Kimura, Ikeo & Nonaka, Evolutionary origin of vertebrate blood complement and coagulation systems inferred from liver EST analysis of lamprey — Developmental & Comparative Immunology | Blood coagulation | Empirical | Lamprey has a simpler coagulation complement and evidence of ancient duplications |
| SRC-079 Mahendrarajah et al., ATP synthase evolution on a cross-braced dated tree of life — Nature Communications | ATP synthase | Empirical | Ancient duplication and ATP-synthase family history; deep-node uncertainty acknowledged |
| SRC-082 Petrov et al., Evolution of the ribosome at atomic resolution — PNAS | Ribosome | Empirical | Structural accretion model of the ribosomal core and expansions |
| SRC-089 Agrawal, Eastman & Schatz, Transposition mediated by RAG1 and RAG2 — Nature | Adaptive immunity | Empirical | Experimental RAG transposase activity |
| SRC-090 Zhang et al., Transposon molecular domestication and the evolution of the RAG recombinase — Nature | Adaptive immunity | Empirical | Mechanistic changes from ProtoRAG-like transposase to RAG recombinase |
Primary Theoretical Research / Modeling
Review / Synthesis
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-033 Tree of one percent critique | Horizontal gene transfer | Empirical synthesis | Challenges a single tree for all microbial genes |
| SRC-056 Patwa & Wahl (2008), The fixation probability of beneficial mutations — Journal of the Royal Society Interface | Population genetics | Empirical theory | Fixation probability; classic ~2s approximation and its assumptions |
| SRC-057 Brian Charlesworth, Effective population size and patterns of molecular evolution and variation — Nature Reviews Genetics | Population genetics | Empirical synthesis | Effective population size and drift/selection |
| SRC-072 Wood et al., Integrated records of environmental change and evolution challenge the Cambrian Explosion — Nature Ecology & Evolution | Cambrian radiation | Empirical synthesis | Ediacaran-Cambrian context and successive radiations |
| SRC-073 Pallen & Matzke, From The Origin of Species to the origin of bacterial flagella — Nature Reviews Microbiology | Bacterial flagellum | Mainstream evolutionary interpretation | Reviews homology/co-option/duplication arguments; not a complete mutation-by-mutation reconstruction |
| SRC-077 Davidson et al., 450 million years of hemostasis — Journal of Thrombosis and Haemostasis | Blood coagulation | Empirical | Comparative reconstruction of vertebrate coagulation evolution |
| SRC-081 George E. Fox, Origin and Evolution of the Ribosome — Cold Spring Harbor Perspectives in Biology | Ribosome | Empirical synthesis | Review of ribosome history; earliest origins remain pre-LUCA |
| SRC-083 Zimmerly & Semper, Evolution of group II introns — Mobile DNA | Spliceosome | Empirical synthesis | Biochemical/structural parallels between group II introns and spliceosome |
| SRC-084 Molecular Mechanism and Evolution of Nuclear Pre-mRNA and Group II Intron Splicing — Chemical Reviews | Spliceosome | Empirical synthesis | Cryo-EM structural comparison; common-origin model |
| SRC-085 Jékely & Arendt, Evolution of intraflagellar transport from coated vesicles and autogenous origin of the eukaryotic cilium — BioEssays | Cilium | Empirical synthesis | IFT/protocoatomer homology and an evolutionary scenario |
| SRC-086 David R. Mitchell, Evolution of Cilia — Cold Spring Harbor Perspectives in Biology | Cilium | Empirical synthesis | LECA already had complex cilia; earliest origin remains difficult |
| SRC-088 Flajnik & Kasahara, Origin and evolution of the adaptive immune system — Nature Reviews Genetics | Adaptive immunity | Empirical synthesis | RAG transposon, genome duplications and jawless alternative system |
| SRC-092 Lamb, Collin & Pugh, Evolution of the vertebrate eye: opsins, photoreceptors, retina and eye cup — Nature Reviews Neuroscience | Vertebrate eye | Empirical synthesis | Comparative anatomy/genetics of vertebrate eye evolution |
Methods / Conceptual
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-029 Theobald statistical test of universal common ancestry | Universal common descent | Empirical | Formal model comparison |
| SRC-032 Analysis of formal tests of universal common ancestry | Universal common descent | Methodological | Limits of assumption-free proof |
| SRC-035 Hazen et al. functional-information framework | Biological information | Methodological | Formal definition of functional information |
Scholarly Critique / Response
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-030 Critique of Theobald's universal-common-ancestry test | Universal common descent | Methodological critique | Challenges inference method, not necessarily UCA |
| SRC-031 Theobald response to methodological critique | Universal common descent | Methodological response | Response in same debate |
| SRC-055 Scientific criticism of argument-from-ignorance reasoning in ID | Intelligent Design | Critical analysis | Critical scholarly source |
| SRC-060 Michael Lynch, Simple evolutionary pathways to complex proteins — Protein Science | Waiting times | Empirical theory | Critique of assumptions in Behe-Snoke model |
Scientific Organization
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-054 National Academies evolution resources | Evolution / ID | Institutional synthesis | Mainstream scientific institutional position |
| SRC-067 Geologic Age: Using Radioactive Decay to Determine Geologic Age — U.S. Geological Survey (current reference) | Geologic dating | Institutional reference | Radiometric dating principles |
| SRC-068 Geologic Timescale, Geologic Dating Techniques, and Numeric Ages — U.S. National Park Service (current reference) | Geologic dating | Institutional reference | Relative dating, faunal succession, numeric ages |
ID Advocate
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-050 Michael Behe on common descent and design | Intelligent Design | ID advocacy | Representative ID position; not primary experimental evidence |
| SRC-051 ID arguments concerning biological information and novelty | Intelligent Design | ID advocacy | Advocacy/interpretation |
| SRC-052 Discovery Institute treatment of the Cambrian radiation | Cambrian radiation | ID advocacy | Alternative interpretation/advocacy |
| SRC-053 Specified complexity and testability | Intelligent Design | ID advocacy | Positive ID methodology claim |
| SRC-075 Behe & Meyer, Irreducible complexity, bacterial flagellum and the Type III Secretory System — Discovery Institute | Bacterial flagellum | ID advocacy | Representative ID counterinterpretation |
| SRC-078 Michael Behe, In Defense of the Irreducibility of the Blood Clotting Cascade — Discovery Institute | Blood coagulation | ID advocacy | Canonical ID formulation of the clotting-cascade challenge |
| SRC-080 The Top Six Lines of Evidence for Intelligent Design — Discovery Institute | ATP synthase / Ribosome | ID advocacy | Uses ATP synthase and ribosome as design examples |
| SRC-087 Molecular Machines / cilium discussion — Discovery Institute (1998/archived) | Cilium | ID advocacy | Representative irreducible-complexity argument for cilia |
| SRC-091 Michael Behe, Irreducible Complexity and the Evolutionary Literature — Discovery Institute | Adaptive immunity | ID advocacy | Representative ID objection to sequence-only explanations of immune-system origin |
| SRC-093 Michael Behe, Evidence for Intelligent Design from Biochemistry — Discovery Institute (1996/archived) | Vertebrate eye | ID advocacy | Representative ID critique of gradational eye arguments |
Creationist Research Organization
| Citation | Topic | Context | Use |
|---|---|---|---|
| SRC-063 Sanford et al., Mendel's Accountant: A New Population Genetics Simulation Tool for Studying Mutation and Natural Selection — International Conference on Creationism proceedings / ICR | Genetic entropy | Young-earth creationist | Creationist simulation used to argue genetic deterioration is inevitable |
Historical Source
No V1 source is currently classified in this category.