double X

'double X' can also refer to...

double X

double X

double-X n.

double-X n.

double bar (̿, X’’)

The doubling of the superorbital period of Cyg X-1

Prognostic value of nutritional status in alcoholics, assessed by double-energy X-ray absorptiometry

X-ray-induced DNA double-strand breaks in human sperm

Inverse-Compton ghosts and double-lobed radio sources in the X-ray sky

Residual Chemosensory Capabilities in Double P2X2/P2X3 Purinergic Receptor Null Mice: Intraoral or Postingestive Detection?

Double P2X2/P2X3 Purinergic Receptor Knockout Mice Do Not Taste NaCl or the Artificial Sweetener SC45647

Residual Chemoresponsiveness to Acids in the Superior Laryngeal Nerve in “Taste-Blind” (P2X2/P2X3 Double-KO) Mice

A laser-plasma–produced soft X-ray laser at 89 eV generates DNA double-strand breaks in human cancer cells

A potential double role of anti-Lewis X antibodies in Helicobacter pylori-associated gastroduodenal diseases

SDSS J1130+0058 an X-shaped radio source with double-peaked low-ionization emission lines: a binary black hole system?

Double Strand Break Rejoining after Irradiation of Human Fibroblasts with X Rays or a Particles: PFGE Studies and Numerical Models

Rare case of double aortic arch suspected by preoperative chest X-ray in a healthy woman

Exaggerated behavioral phenotypes in Fmr1/Fxr2 double knockout mice reveal a functional genetic interaction between Fragile X-related proteins

Interpretation of the X-ray spectral variation of 1H 0707−495 with a variable double partial covering model


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In Drosophila melanogaster, an acrocentric, double-length X chromosome arising as a radiation-induced aberration. Such double X chromosomes are superior to the ordinary metacentric, attached X chromosomes (q.v.) for most stockkeeping operations, since they do not break up by crossing over with the Y. See also detached X.

Subjects: Genetics and Genomics.

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