RESEARCH BASE
Search 3,717 documents across 34 fields — every claim tier-rated by evidence
362 results for "selfish genetic element" — page 7 of 19
T_1_04 — Developmental Psychology — From Piaget to Attachment Theory
Developmental psychology traces psychological changes across the human lifespan, from prenatal development through aging. Jean Piaget's cognitive stage theory, Lev Vygotsky's sociocultural approach, John Bowlby's attachm
ZD_1_02 — Information Theory — Shannon, Entropy, and the Bit
Claude Shannon's 1948 paper "A Mathematical Theory of Communication" is one of the most consequential scientific publications of the 20th century. It defined information quantitatively — measured in bits — independent of
ZD_4_08 — Bioinformatics and Computational Biology
Bioinformatics — the application of computational methods to biological data, especially molecular sequences — has become indispensable to modern biology. The field emerged from the convergence of molecular biology's dat
L_1_04 — Archaic Human Species Synthesis
The human evolutionary tree is far more complex than the older linear model suggested. Fossils, ancient DNA, and proteomics now show that Homo sapiens overlapped with several other hominin lineages, including Neanderthal
L_1_09 — Ghost Populations & Missing Archaic Lineages
Ghost populations are human groups whose existence is inferred from statistical signatures in modern or ancient genomes rather than from direct fossil or archaeological evidence. The term reflects a central challenge of
L_1_03 — Mitochondrial Eve, Y-Chromosomal Adam & Population Origins
Mitochondrial Eve and Y-chromosomal Adam are the most recent common ancestors of all living humans along strictly maternal and strictly paternal lines. They were not the first woman and man, were not a couple, and do not
L_1_12 — Ghost DNA: Unknown Archaic Hominin Admixture
"Ghost DNA" refers to genetic signals — segments of the genome, deviations in allele frequency distributions, or anomalous phylogenetic patterns — that indicate admixture (interbreeding) between anatomically modern human
L_4_07 — Twin Studies and Heritability
Twin studies represent one of the most powerful natural experiments in human genetics, exploiting the fact that monozygotic (MZ, "identical") twins share ~100% of their DNA while dizygotic (DZ, "fraternal") twins share ~
L_4_15 — Y-Chromosome and mtDNA Mismatch Patterns in Human Populations
The Y chromosome (paternally inherited, non-recombining) and mitochondrial DNA (maternally inherited) provide independent genealogical records of male and female lineage histories, respectively. When these two markers te
L_2_18 — Archaic Admixture in Africa (Ghost Populations)
While Neanderthal and Denisovan admixture in non-African populations has been well-documented since Svante Pääbo's landmark 2010 Neanderthal genome paper, evidence for archaic admixture within Africa represents a more re
L_3_16 — Genomic Imprinting & Evolutionary Conflict
Genomic imprinting — the epigenetic phenomenon in which a subset of genes (~100–200 in mammals) are expressed from only one parental allele, with the other allele silenced by DNA methylation and histone modification esta
L_5_03 — Pharmacogenomics and Ancestral Medicine
Pharmacogenomics — the study of how genetic variation influences individual responses to drugs — bridges genetics, pharmacology, and clinical medicine. Humans carry extensive polymorphism in genes encoding drug-metaboliz
Y_4_02 — Savant Syndrome and Acquired Genius
Savant syndrome — extraordinary ability coexisting with significant cognitive disability — affects roughly 1 in 10 people with autism and ~1 in 2,000 people with other developmental disabilities or brain injuries. What m
H_4_04 — Soviet Science Suppression — Lysenkoism and Vavilov
The Lysenko affair (1928–1964) represents the most devastating case of ideological suppression of science in the 20th century. Trofim Denisovich Lysenko (1898–1976), an agronomist with minimal formal training, rose to do
ZE_3_17 — CRISPR Ethics: Gene Editing and the Future of Humanity
The development of CRISPR-Cas9 gene editing — demonstrated by Jennifer Doudna and Emmanuelle Charpentier in 2012 (Nobel Prize in Chemistry, 2020) — created the most precise, accessible, and affordable tool for modifying
R_3_08 — Speciation Mechanisms and Reproductive Isolation
Speciation — the process by which one species splits into two or more reproductively isolated lineages — is the engine of biodiversity. Ernst Mayr's biological species concept (1942) defines species as groups of interbre
R_3_11 — Microevolution and Rapid Adaptation
Microevolution — changes in allele frequencies within populations over generations — is the fundamental engine of biological adaptation. Once assumed to operate too slowly to observe directly, research over the past 50 y
R_3_02 — Horizontal Gene Transfer in Complex Life
For decades, the "tree of life" was the central metaphor of evolutionary biology — species branching neatly from common ancestors through vertical gene transmission (parent to offspring). This metaphor is now BROKEN, at
R_5_18 — Synthetic Biology & Artificial Genomes
Synthetic biology is an interdisciplinary field that applies engineering principles — standardization, modular design, abstraction hierarchies — to biological systems, with the ultimate goal of designing and constructing
ZB_1_03 — Artificial Life, Emergence, and Digital Evolution
Artificial life (ALife) is an interdisciplinary field studying life-as-it-could-be through computational, chemical, and robotic systems that exhibit lifelike behaviors — self-replication, evolution, emergence, and adapta
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