Search Results for: substitution
Substitution mutation
Definition noun, plural: substitution mutations (genetics) A small-scale mutation characterized by a substitution of one or... Read More
Base pair substitution
Definition noun, plural: base pair substitutions A type of mutation involving replacement or substitution of a single... Read More
Stimulus substitution
stimulus substitution --> classical conditioning (Science: psychology) learning that takes place when a conditioned... Read More
Substitution
substitution 1. The act of putting one thing in the place of another, especially the chemical replacement of one element or... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
Neutral mutation
Neutral Mutation Definition What is a neutral mutation? Neutral mutations are the alterations in the DNA that are... Read More
Dehydration reaction
What is dehydration synthesis? A dehydration reaction is a form of biochemical reaction wherein a water molecule is lost or... Read More
Transversion
Definition noun, plural: transversions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More
Small-scale mutation
Definition noun, plural: small-scale mutations (genetics) A type of mutation characterized by a change of one or few... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More
Transition
Definition noun, plural: transitions (genetics) A small-scale mutation characterized by the replacement of a purine by... Read More
Point mutation
Definition noun, plural: point mutations (genetics) A small-scale mutation characterized by a change of only one nucleotide... Read More
Stereospecificity
Definition noun Relate to the specific points along the chain of configurations resulting in the spatial arrangement of... Read More
Vicariance
Definition noun, plural: vicariances (biology) The separation of a large group of organisms from the population due to a... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Silent mutation
A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More
Psychrophile
Definition noun, plural: psychrophiles An organism that thrives in cold temperatures, i.e. ranging from −20 °C to +10... Read More
Vicariant speciation
Definition noun Formation of new species due to vicariance. Supplement New species are formed from the division of original... Read More
Revolution
revolution 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or... Read More
Nonsense mutation
A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More
Proteoglycan
What are proteoglycans? Proteoglycans are primarily a type of polysaccharide. Structurally, proteoglycans are... Read More
Transition mutation
transition mutation A point mutation involving substitution of one base-pair for another, i.e., replacement of one purine... Read More
Sickle cell anaemia
Definition noun A hereditary blood disorder resulting in anaemia due to a mutation in the allele coding for the beta chain... Read More
Chemical reaction
Definition noun, plural: chemical reactions A process in which one or more substances (reactants) are chemically... Read More
Derivative
Derivative a chemical substance derived from another substance either directly or by modification or partial... Read More
Eubacteria
Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More
Chromosome Mutations
Reviewed by: Mary Anne Clark, Ph.D.By nature, the genetic information from both parents is expected to be seen... Read More