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🔄 Turning upside down 🌫️ Trapped cold air 💼 Move for taxes 🎼 Reversed melody ✍️ Reversed word order 🏥 Organ turned inward 🧬 Gene order reversed ⚧️ Opposite gender role 🧪 Rotation change
inversion

inversion

1 8.6
A change where a part of a chromosome breaks, flips, and joins back in reverse
  • noun
  • /ɪnˈvɜrʒən/
  • Specialized
translation icon : inversión cromosómica
  • Researchers found that the inversion of a gene sequence can significantly impact the expression of certain characteristics in the organism.

Examples

  • The study focused on a specific inversion in chromosome 2 that played a crucial role in the development of genetic traits.

  • In support of his position, he points out that gene mutations involve movements, duplications, inversions, and deletions in addition to limited point mutations.

    Academic text (2008)

  • The speech confirms the main movement of the second nucleus as an inversion of the first: Vitoriano, who earlier rejected Placida's advances, now desperately seeks her, while she, lost in hopeless despair, flees from him and the rest of civilization.

    Academic text (1997)

  • This inversion becomes literal when he singles out as a notable human encounter in Narayan's ashram his early morning sight of "a pair of legs staring me in the face": "My roommate was standing on his head, a morning exercise which he assured me is exceedingly good for the circulation of the blood."

    Academic text (1995)

  • The genetic analysis revealed a rare inversion that caused a change in the order of genes on the chromosome.

Synonyms

reversal
vsinversion
25 4.2

A change to the opposite direction or position, for example when wind turns

is a specific genetic mutation that flips a chromosome segment and gene order

Compounds

matrix inversion
  • Specialized
8.6

To find a matrix that, when multiplied by the original, makes the identity matrix

sexual inversion
  • Slur
9.9

An old word for someone who behaves in ways usually seen in the other sex

Surface Forms

inversion singular
inversions plural

Morphology

inversion = invert (transparent) = invert + ion

A straightforward nominalization of 'invert' denoting the act or state of reversing; the genetic sense applies this basic meaning to chromosomes.

Etymology

Inversion comes from the Latin invertere, where in- means 'in' and vertere means 'to turn'. In genetics, an inversion is when a piece of a chromosome is cut out and put back in the 'opposite' direction, so the order of genes is turned around.