chromosomal mutation


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Related to chromosomal mutation: gene mutation
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chromosomal mutation - (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
alteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"
deletion - (genetics) the loss or absence of one or more nucleotides from a chromosome
inversion - (genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed
transposition - (genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome
mutagenesis - an event capable of causing a mutation
gene mutation, point mutation - (genetics) a mutation due to an intramolecular reorganization of a gene
reversion - (genetics) a return to a normal phenotype (usually resulting from a second mutation)
saltation - (genetics) a mutation that drastically changes the phenotype of an organism or species
References in periodicals archive ?
Summary: TEHRAN (FNA)- Researchers discovered a chromosomal mutation responsible for a very rare condition in which people grow excess hair all over their bodies.
It is thought that Dubowitz syndrome is an inherited genetic condition or chromosomal mutation, but no formal test exists beyond the physical examination.
These chemicals have been linked to a variety of health complications, including nervous and immune system dysfunction and chromosomal mutation.
To my knowledge, there is no indication that couples who undergo PGD because they are at high risk for a Mendelian disorder or chromosomal mutation consistently or routinely choose embryos of one sex over another.
Because most ROS are short-lived and can only diffuse short distances in cells, it is still not clear how these radicals reach the nucleus to cause gene and chromosomal mutation (54,55).
Washington, June 4 (ANI): An Indian-origin researcher and her team have discovered a chromosomal mutation responsible for a very rare condition in which people grow excess hair all over their bodies.
In most cases, expression of the components of the efflux system is regulated, and resistance occurs by chromosomal mutation that causes coordinated increased expression of pump components.
gonorrhoeae were resistant to penicillin G (MIC [is greater than or equal to] 2 mg/L) and tetracycline (MIC 2 [is greater than or equal to] mg/L and [is less than] 16 mg/L), respectively, by chromosomal mutation.
Because different forms of cancer are associated with different chromosomal mutations, we believe analysis of exosome DNA taken from blood samples may not only help determine the presence of a cancerous tumor somewhere in the body, but identify mutations without a need for tumor sample.
In addition to the acquired resistances caused by chromosomal mutations, M.
Kalluri added that because different forms of cancer are associated with different chromosomal mutations, they believe analysis of exosome DNA taken from blood samples may not only help determine the presence of a cancerous tumour somewhere in the body but also identify mutations without a need for tumour sample.
This begs the question of how these sequences (of pathogen genes, human chromosomal mutations, and the like) were identified and characterized in the first place.