- extra-chromosomal arm
- “extra”-chromosomal arm.(Источник: «Англо-русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд-во ВНИРО, 1995 г.)
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extra-chromosomal arm
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Chromosomal translocation — of the 4th and 20th chromosome. In genetics, a chromosome translocation is a chromosome abnormality caused by rearrangement of parts between nonhomologous chromosomes. A gene fusion may be created when the translocation joins two otherwise… … Wikipedia
chromosomal disorder — Syndrome caused by chromosome abnormality. Normally, humans have 23 pairs of chromosomes, including one pair of sex chromosomes. Any variation from this pattern causes abnormalities. A chromosome may be duplicated (trisomy) or absent (monosomy);… … Universalium
Chromosomal inversion — A clay model showing why heterozygous inversion loops are visible in polytene chromosome preparations … Wikipedia
экстра-хромосомное плечо — “extra” chromosomal arm “экстра” хромосомное плечо. Oбразованное сателлитной ДНК <satellite DNA> второе плечо у акроцентрической хромосомы <acrocentric chromosome>, превращающее ее в двуплечую; появление “Э.” х.п. является одним из… … Молекулярная биология и генетика. Толковый словарь.
экстра-хромосомное плечо — Образованное сателлитной ДНК второе плечо у акроцентрической хромосомы, превращающее ее в двуплечую; появление Э. х.п. является одним из основных механизмов быстрого преобразования кариотипов (согласно гипотезе Хатча Hatch s hypothesis) в… … Справочник технического переводчика
Genetic origins of Down syndrome — Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 21st chromosome, either in whole (trisomy 21) or part (such as due to translocations). The effects of the extra copy varies… … Wikipedia
Down syndrome — Classification and external resources Boy with Down syndrome assembling a … Wikipedia
Robertsonian translocation — is a common form of chromosomal rearrangement that occurs in the five acrocentric human chromosome pairs, namely 13, 14, 15, 21, and 22. They are named after the American insect geneticist W. R. B. Robertson, who first described a Robertsonian… … Wikipedia
Isodicentric 15 — Isodicentric 15, or idic(15), is a chromosome abnormality in which a child is born with extra genetic material from chromosome 15. People with idic(15) are typically born with 47 chromosomes in their body cells, instead of the normal 46. The… … Wikipedia
Chromosome — For a non technical introduction to the topic, see Introduction to genetics. Diagram of a replicated and condensed metaphase eukaryotic chromosome. (1) Chromatid – one of the two identical parts of the chromosome after S phase. (2)… … Wikipedia
