Learning / 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:

Nouns denoting natural events

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)

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