What does sister chromatid exchange mean?

Definitions for sister chromatid exchange
sis·ter chro·matid ex·change

Here are all the possible meanings and translations of the word sister chromatid exchange.

Freebase

  1. Sister chromatid exchange

    Sister chromatid exchange is the exchange of genetic material between two identical sister chromatids. It was first discovered by using the Giemsa staining method on one chromatid belonging to the sister chromatid complex before anaphase in mitosis. The staining revealed that few segments were passed to the sister chromatid which were not dyed. The Giemsa staining was able to stain due to the presence of bromodeoxyuridine analogous base which was introduced to the desired chromatid. The reason for the is not known but it is required and used as a mutagenic testing of many products. Four to five sister chromatid exchange per chromosome pair, per mitosis is in the normal distribution, 14-100 exchanges is not normal and presents a danger to the organism. SCE is elevated in pathologies including Bloom syndrome, having recombination rates ~10-100 times above normal, depending on cell type. Frequent SCEs may also be related to formation of tumors. Sister chromatid exchange has also been observed more frequently in B51 Behçet's disease.

U.S. National Library of Medicine

  1. Sister Chromatid Exchange

    An exchange of segments between the sister chromatids of a chromosome, either between the sister chromatids of a meiotic tetrad or between the sister chromatids of a duplicated somatic chromosome. Its frequency is increased by ultraviolet and ionizing radiation and other mutagenic agents and is particularly high in BLOOM SYNDROME.

How to pronounce sister chromatid exchange?

  1. Alex
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How to say sister chromatid exchange in sign language?

  1. sisterchromatidexchange

Numerology

  1. Chaldean Numerology

    The numerical value of sister chromatid exchange in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of sister chromatid exchange in Pythagorean Numerology is: 5

Images & Illustrations of sister chromatid exchange

  1. sister chromatid exchangesister chromatid exchangesister chromatid exchangesister chromatid exchangesister chromatid exchange

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