extra small chromosome

extra small chromosome
额外小染色体

Medical Chinese dictionary (湘雅医学词典). 2013.

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  • Chromosome 15 (human) — Human chromosome 15 Chromosome 15 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 15 spans about 106 million base pairs (the building material of DNA) and represents between 3% and 3 …   Wikipedia

  • Chromosome 22 (human) — Chromosome 22 is one of the 23 pairs of chromosomes in human cells. Humans normally have two copies of Chromosome 22 in each cell. Chromosome 22 is the second smallest human chromosome, spanning about 49 million DNA base pairs and representing… …   Wikipedia

  • Small supernumerary marker chromosome — Humans typically have 22 pairs of autosomal chromosomes in our cells, and a pair of sex chromosomes. About 2.7 million individuals have an extra, 47th autosomal chromosome called a small supernumerary marker chromosome (sSMC). These small… …   Wikipedia

  • Chromosome — A visible carrier of the genetic information. The 3 billion bp (base pairs) in the human genome are organized into 24 distinct, physically separate microscopic units called chromosomes. All genes are arranged linearly along the chromosomes. The… …   Medical dictionary

  • Chromosome abnormality — The three major single chromosome mutations; deletion (1), duplication (2) and inversion (3) …   Wikipedia

  • Small eye — Also called microphthalmia, an abnormally small eye, a congenital malformation (birth defect) of the globe. The related term anophthalmia means no eye and refers to absence of the globe and ocular tissue from the orbit. Microphthalmia may involve …   Medical dictionary

  • Y chromosome — Human Y chromatid The Y chromosome is one of the two sex determining chromosomes in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development if present. The human Y chromosome is composed of about 60 …   Wikipedia

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