Linked from

The 84 pages that link to DNA, each with the reason it gives.

• Polymerase chain reactionNarrower topic: PCR copies a chosen region within this genetic material.

• Hydrogen bondRelated: Hydrogen bonds between complementary bases help hold the two strands together.

• Ancient DNANarrower topic: Ancient DNA is degraded DNA recovered from organisms that lived in the past.

• Environmental DNANarrower topic: Environmental samples contain fragments of this molecule shed by organisms.

• Gene expressionNarrower topic: Its sequence provides the template and regulatory signals used in gene expression.

• MutationNarrower topic: DNA sequence is the substrate for most mutations.

• ChromosomeNarrower topic: Chromosomes package DNA into structures that can be copied and distributed.

• DNA sequencingNarrower topic: DNA is the molecule whose base order sequencing determines.

• DNA replicationNarrower topic: Replication copies this molecule and uses each of its strands as a template.

• RNACompared with: Its greater chemical stability suits long-term storage, while RNA performs many active cellular roles.

• DNA barcodingNarrower topic: Its nucleotide sequence is the material measured in barcode assays.

• Molecular biologyBroader topic: Its sequence is the principal information-bearing substrate in molecular biology.

• DNA repairNarrower topic: Its paired strands provide the information and templates that many repair pathways preserve.

• GeneRelated: DNA's role as hereditary material made a molecular definition of genes possible.

• Rosalind FranklinNarrower topic: Franklin’s measurements helped establish DNA’s dimensions and helical form.

• TranscriptionNarrower topic: Its nucleotide sequence supplies the information copied during transcription.

• Nucleic acidBroader topic: DNA is the principal long-term genetic storage molecule in cellular life.

• Recombinant DNANarrower topic: Recombinant DNA is built from the same nucleotide polymer as natural DNA.

• DNA damageNarrower topic: Damage alters the chemical structure or sequence of this molecule.

• RiboseCompared with: Its sugar lacks ribose’s 2′ hydroxyl, contributing to greater chemical stability.

• BiochemistryBroader topic: Its structure and replication gave heredity a chemical mechanism.

• BiotechnologyNarrower topic: Understanding DNA's structure made deliberate manipulation of genetic information possible.

• GenomeBroader topic: It is the genetic material in most cellular genomes.

• ArchaeogeneticsNarrower topic: Its inheritance and sequence variation make ancestry comparisons possible.

• PhosphateRelated: Phosphate groups form the charged backbone linking DNA’s sugar units.

• ChromatinNarrower topic: Chromatin packages the DNA molecule while preserving its encoded information.

• Fluorescence in situ hybridizationNarrower topic: DNA is the principal target in chromosome and gene-focused FISH assays.

• James WatsonNarrower topic: Watson’s best-known work concerned how this molecule’s structure could explain its biological role.

• MoleculeBroader topic: Its molecular structure supports information storage and accurate copying.

• Reverse transcription polymerase chain reactionNarrower topic: The assay converts RNA into DNA because PCR amplifies DNA templates.

• Whole-genome sequencingNarrower topic: Whole-genome sequencing measures the order of bases in DNA.

• Central dogma of molecular biologyBroader topic: DNA is the principal cellular archive from which transcription reads sequence information.

• DNA ligaseNarrower topic: Ligase acts on DNA’s sugar-phosphate backbone.

• CellRelated: Cells use DNA as the inherited information base for growth, maintenance, and reproduction.

• Phosphodiester bondNarrower topic: Phosphodiester bonds connect DNA’s nucleotides into its durable strands.

• RNA polymeraseRelated: Most cellular RNA polymerases copy DNA templates into RNA.

• RNA world hypothesisCompared with: Its modern role in stable information storage contrasts with the proposed earlier RNA role.

• GeneticsBroader topic: Identifying DNA as hereditary material supplied genetics with its molecular foundation.

• Molecular evolutionNarrower topic: DNA sequences provide the most widely analyzed record of molecular change.

• RibozymeCompared with: DNA is the principal cellular information store, while RNA can also catalyze reactions.

• Sequence alignmentRelated: DNA sequences are commonly aligned to compare genes and genomes.

• Ultraviolet germicidal irradiationRelated: UV lesions in DNA can block replication and transcription.

• Y chromosomeNarrower topic: The Y chromosome consists chiefly of DNA carrying genes and repetitive sequences.

• Genetic disorderNarrower topic: Genetic disorders originate in changes to the DNA sequence or its organization.

• Nucleotide excision repairNarrower topic: Nucleotide excision repair acts on DNA strands and preserves their sequence.

• DeoxyriboseNarrower topic: Repeated deoxyribose units form its sugar-phosphate backbone.

• Forensic geneticsNarrower topic: Forensic profiles measure differences in selected regions of DNA.

• Medical geneticsNarrower topic: Genetic testing examines DNA sequence and structure for clinically relevant differences.

• Molecular geneticsBroader topic: DNA is the principal long-term information-bearing molecule studied in molecular genetics.

• PaleogenomicsNarrower topic: Its chemical structure and inheritance make ancient genetic reconstruction possible.