13 results found

Search Results for: mutants

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Lethal mutation

Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More

Fluctuation test

Fluctuation test (Science: investigation) test devised by Luria and Delbruck to determine whether genetic variation in a... Read More

Mutant

Definition noun, plural: mutants (1) An organism, gene, or chromosome that is different from the wild type by one or more... Read More

Conditional mutation

Conditional mutation (Science: molecular biology) a mutation that is only expressed under certain environmental conditions... Read More

Allele

Allele Definition What are alleles? An allele is a term coined to describe a specific copy of a gene. Genes, the DNA... Read More

Cytokinesis

The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More

Sec

Sec 1. Abbreviation for selenocycsteine. Insertion into selenoenzymes is accomplished by the specific tRNA(sec). 2. E. Coli... Read More

Constitutive mutant

Definition noun A mutant organism that continuously produces a protein (and therefore may be produced in excess) due to a... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Aerotolerant

Aerotolerant Definition The term "aerotolerant" pertains to an organism that does not require oxygen for growth but can... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... 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