Search Results for: mutant
Conditional-lethal mutant
Conditional-lethal mutant --> conditionally lethal mutant a viral mutant that can replicate under some (permissive)... Read More
Deficiency mutant
Deficiency mutant --> auxotrophic mutant mutant with a nutritional requirement not present in the wild type... Read More
Inactive mutant
Inactive mutant a mutant that is not phenotypically manifest. Synonym: silent... Read More
Suppressor-sensitive mutant
suppressor-sensitive mutant A conditionally lethal, host range, bacteriophage mutant that produces nonsense codons and can... 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
Cis trans test
Cis trans test (Science: molecular biology) The complementation test with two or more interacting genes placed in cis and... Read More
Lethal mutation
Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More
Inbreeding
Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More
Genetic variation
Definition noun, plural: genetic variations Variations of genomes between members of species, or between groups of species... Read More
Plant sets off “SOS” for plant defense when it gets hurt
When herbivore, such as an insect, nibbles a plant leaf, the plant sets off an "SOS" or distress signal as one of the... Read More
Neutral theory of molecular evolution
Definition noun A theory stating that evolutionary changes particularly at the molecular level arise from genetic drift of... Read More
Genetic Information and Protein Synthesis
Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More
DNA polymerase II
Definition noun A DNA polymerase involved in DNA replication in prokaryotes, is encoded by polB gene, and composed of 783... 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
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Cell cycle
Definition noun (cell biology) The sequence of growth and division of a cell, and consists of a series of biological... 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
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More
Defective bacteriophage
Defective bacteriophage a temperate bacteriophage mutant whose genome does not contain all of the normal components and... Read More
Disjunction
Definition noun The normal separation or moving apart of chromosomes toward opposite poles of the cell during cell... Read More
Temperate phage
Definition noun, plural: temperate phages A bacteriophage that displays lysogenic life cycle in contrast to virulent phage... 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
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More
Codominance
Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... Read More