/ English Dictionary |
CHROMOSOMAL MUTATION
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
(genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
Synonyms:
chromosomal mutation; genetic mutation; mutation
Classified under:
Hypernyms ("chromosomal mutation" is a kind of...):
alteration; change; modification (an event that occurs when something passes from one state or phase to another)
Meronyms (parts of "chromosomal mutation"):
mutagenesis (an event capable of causing a mutation)
Domain category:
genetic science; genetics (the branch of biology that studies heredity and variation in organisms)
Hyponyms (each of the following is a kind of "chromosomal mutation"):
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)
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)