- chromosomal mutation
- a mutation affecting large regions of a chromosome and caused by breakage, e.g., by deletion, inversion, or translocation. See also genomic m. and point m.
Medical dictionary. 2011.
chromosomal mutation
Look at other dictionaries:
chromosomal mutation — noun (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism • Syn: ↑mutation, ↑genetic mutation • Derivationally related forms: ↑mutational (for: ↑mutation), ↑ … Useful english dictionary
Mutation — Die rötliche Blattfarbe der Blutbuche (oben) entstand durch eine Mutation bei einer Rotbuche (unten). Ei … Deutsch Wikipedia
Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution … Wikipedia
mutation — mutational, adj. mutationally, adv. /myooh tay sheuhn/, n. 1. Biol. a. a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome. b. an individual, species, or the like,… … Universalium
Mutation — A permanent change, a structural alteration, in the DNA or RNA. In humans and many other organisms, mutations occur in DNA. However, in retroviruses like HIV, mutations occur in RNA which is the genetic material of retroviruses. In most cases,… … Medical dictionary
chromosomal aberration — An abnormal change in chromosome structure or number, including deficiency, duplication, inversion, translocation, aneuploidy, polyploidy, or any other change from the normal pattern.. Although it can be a mechanism for enhancing genetic… … Glossary of Biotechnology
genetic mutation — noun (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism • Syn: ↑mutation, ↑chromosomal mutation • Derivationally related forms: ↑mutational (for: ↑mutation) … Useful english dictionary
gene mutation — noun (genetics) a mutation due to an intramolecular reorganization of a gene • Syn: ↑point mutation • Topics: ↑genetics, ↑genetic science • Hypernyms: ↑mutation, ↑genetic … Useful english dictionary
point mutation — noun (genetics) a mutation due to an intramolecular reorganization of a gene • Syn: ↑gene mutation • Topics: ↑genetics, ↑genetic science • Hypernyms: ↑mutation, ↑genetic mut … Useful english dictionary
Y-chromosomal Adam — Y chromosome in descendants of one human male In human genetics, Y chromosomal Adam ( Y MRCA) is the theoretical most recent common ancestor (MRCA) from whom all living people are descended patrilineally (tracing back along the paternal lines of… … Wikipedia
