isochromosome

[i″so-kro´mo-sōm] an abnormal chromosome having a median centromere and two identical arms, formed by transverse, rather than normal longitudinal, splitting of a replicating chromosome.

i·so·chro·mo·some

(ī'sō-krō'mō-sōm), A chromosomal aberration that arises as a result of transverse rather than longitudinal division of the centromere during meiosis; two daughter chromosomes are formed, each lacking one chromosome arm but with the other doubled.

i·so·chro·mo·some

(ī'sō-krō'mŏ-sōm) A chromosomal aberration that arises as a result of transverse rather than longitudinal division of the centromere during meiosis; two daughter chromosomes are formed, each lacking one chromosome arm but with the other doubled.

isochromosome

An abnormal chromosome formed when, during the ANAPHASE of cell division, the CENTROMERE divides horizontally rather than longitudinally, thus producing a chromosome with two long arms and one with two short arms.

单词	isochromosome
释义	isochromosome isochromosome (ˌaɪsəʊˈkrəʊməˌsəʊm; ˌaɪsəʊˈkrəʊməˌzəʊm) n (Biology) cytology an abnormal chromosome in which the two arms share identical genetic information isochromosome isochromosome [¦ī·sō′krō·mə‚sōm] (cell and molecular biology) An abnormal chromosome with a medial centromere and identical arms formed as a result of transverse, rather than longitudinal, splitting of the centromere. isochromosome isochromosome [i″so-kro´mo-sōm] an abnormal chromosome having a median centromere and two identical arms, formed by transverse, rather than normal longitudinal, splitting of a replicating chromosome. i·so·chro·mo·some (ī'sō-krō'mō-sōm), A chromosomal aberration that arises as a result of transverse rather than longitudinal division of the centromere during meiosis; two daughter chromosomes are formed, each lacking one chromosome arm but with the other doubled. i·so·chro·mo·some (ī'sō-krō'mŏ-sōm) A chromosomal aberration that arises as a result of transverse rather than longitudinal division of the centromere during meiosis; two daughter chromosomes are formed, each lacking one chromosome arm but with the other doubled. isochromosome An abnormal chromosome formed when, during the ANAPHASE of cell division, the CENTROMERE divides horizontally rather than longitudinally, thus producing a chromosome with two long arms and one with two short arms.
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