inversion

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Related to Pericentric inversion: isochromosome, reciprocal translocation
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Synonyms for inversion

Synonyms for inversion

the act of changing or being changed from one position, direction, or course to the opposite

Synonyms for inversion

the layer of air near the earth is cooler than an overlying layer

abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth)

a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa

(genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed

the reversal of the normal order of words

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(counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa

a term formerly used to mean taking on the gender role of the opposite sex

turning upside down

the act of turning inside out

References in periodicals archive ?
In this study, we report a woman who carries a unique pericentric inversion of one chromosome 21: inv (21) (p12; q22).
Two Down syndrome patients with rec(21),dupq,inv(21)(p11;q2109) from a familial pericentric inversion.
Pericentric inversion of chromosome 9: prevalence in 300 Down syndrome families and molecular studies of nondisjunction.
Two pericentric inversions, inv(2) (p11q13) and inv(5)(p13q13), in a patient referred for psychiatric problems.
Trimerotropis pallidipennis is an American grasshopper whose South American populations are polymorphic for pericentric inversions (Mesa 1971, Vaio et al.
Lack of underdominance in a naturally occurring pericentric inversion in Drosophila melanogaster and its implications for chromosome evolution.
Pericentric inversion heteromorphism of the F5 cytotype.
1995), but this study provides no direct evidence for underdominance in the Tulancingo hybrid zone associated with the centric fissions of chromosomes 1, 3, 4, and 6 or the pericentric inversion of chromosome 4.
Fine structure and behaviour of a pericentric inversion in the sand rat, Psammomys obesus.
The relative length of chromosomes 1 to 18 was not different between the species, but 5 of their chromosomes (numbers 4, 7, 9, 11, & 18) were significantly different in relative lengths of short and long arm and in centromeric index, differences that can be explained by pericentric inversions.
The sex chromosomes consist of three variations of subtelocentric, telocentric, and metacentric types caused by two pericentric inversions and conduct the different sex determining systems (19,20).
severum (Heckel, 1840), which show a smaller number, mainly through robertsonian rearrangements and pericentric inversions (Thompson 1979).
Examples of pericentric inversions, partial-arm translocations, or multiple translocation/inversion events were observed less frequently.