TERMIUM Plus®

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CROSSOVER UNIT [3 records]

Record 1 1986-08-13

English

Subject field(s)
  • Genetics
DEF

The unit of map distance between linked genes. It is used to measure chromosome length and equals the total crossover frequency between the genes concerned. It is expressed in percentage.

CONT

We have seen that the distance between "pro A" and "ade" on the E. coli chromosome is equivalent to about 45 percent recombination, so that these markers appear as only weakly linked in recombination analysis. In interrupted mating experiments, however, transfer of this same interval takes about two minutes, so that one time unit is equivalent to 20 recombination units.

French

Domaine(s)
  • Génétique
DEF

Unité arbitraire représentant les probabilités de recombinaison entre des gènes liés entre eux, et qui permettent d'exprimer les distances séparant les gènes sur les chromosomes.

CONT

23% de phages sont donc recombinés : on dira que r et tu sont situés à 23 unités de recombinaison.

Spanish

Save record 1

Record 2 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

Acoustic Research AR9. Manufacturer's Specification : Four-way(5 unit) floor-standing enclosed system. Drive units : two 300 mm bass drivers and one 200 mm low mid-range driver, all with acoustic suspensions, one 38 mm semi-horn loaded upper mid-range unit with fluid heat transfer, and one 19 mm tweeter. Crossover frequencies : 200, 1200 and 7000 Hz.

French

Domaine(s)
  • Électroacoustique
CONT

En plaçant les deux boomers de part et d'autre [dans l'enceinte acoustique "AR9"], la position relative de l'image sonore réfléchie est chargée si bien que le creux dans la courbe de réponse se trouve placé vers 200 Hz, fréquence de recouvrement avec le haut-parleur bas médium.

Spanish

Save record 2

Record 3 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

Acoustic Research AR9. Manufacturer's Specification : Four-way(5 unit) floor-standing enclosed system. Drive units : Two 300 mm bass drivers and one 200 mm low mid-range driver, all with acoustic suspensions, one 38 mm semi-horn loaded upper mid-range unit with fluid heat transfer, and one 19 mm tweeter. Crossover frequencies : 200, 1200 and 7000 Hz.

French

Domaine(s)
  • Électroacoustique
CONT

A partir de 1200 Hz, un [haut-parleur] haut médium à dôme en tissu plastifié de 38 mm détaille les fréquences jusqu'à 7000 Hz [dans l'enceinte acoustique "AR9"].

Spanish

Save record 3

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