• Thumbnail for Ring chromosome
    A ring chromosome is an aberrant chromosome whose ends have fused together to form a ring. Ring chromosomes were first discovered by Lilian Vaughan Morgan...
    15 KB (792 words) - 18:19, 31 May 2023
  • Thumbnail for Chromosome 21
    Chromosome 21 is one of the 23 pairs of chromosomes in humans. Chromosome 21 is both the smallest human autosome and chromosome, with 46.7 million base...
    34 KB (3,087 words) - 13:30, 30 July 2024
  • Thumbnail for Ring chromosome 22
    Ring chromosome 22, also known as ring 22, is a rare chromosomal disorder. Ring chromosomes occur when the ends of a chromosome lose material and fuse...
    11 KB (1,375 words) - 03:51, 8 August 2024
  • A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder is a missing, extra, or irregular...
    18 KB (1,966 words) - 12:02, 29 May 2024
  • Thumbnail for Ring chromosome 14 syndrome
    Ring chromosome 14 syndrome is a very rare human chromosome abnormality. It occurs when one or both of the telomeres that mark the ends of chromosome...
    7 KB (550 words) - 06:24, 3 November 2023
  • Thumbnail for Polytene chromosome
    Polytene chromosomes are large chromosomes which have thousands of DNA strands. They provide a high level of function in certain tissues such as salivary...
    16 KB (1,980 words) - 00:24, 31 October 2023
  • Thumbnail for Ring chromosome 15
    Ring chromosome 15 (sometimes denoted as r15) is a condition that arises when chromosome 15 fuses to form a ring chromosome. Usually, ring chromosome...
    13 KB (1,409 words) - 08:49, 26 July 2023
  • Thumbnail for Chromosome 22
    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...
    27 KB (2,209 words) - 17:18, 18 August 2024
  • Thumbnail for Chromosome 9
    Chromosome 9 is one of the 23 pairs of chromosomes in humans. Humans normally have two copies of this chromosome, as they normally do with all chromosomes...
    26 KB (1,594 words) - 20:53, 24 August 2024
  • Chromosome 21 monosomy Chromosome 21 ring Chromosome 21, monosomy 21q22 Chromosome 21, tetrasomy 21q Chromosome 21, uniparental disomy of Chromosome 22...
    40 KB (3,657 words) - 03:02, 17 August 2024
  • Thumbnail for Chromosome 2
    Chromosome 2 is one of the twenty-three pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 2 is the second-largest...
    40 KB (2,534 words) - 05:56, 28 July 2024
  • Thumbnail for List of organisms by chromosome count
    The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living...
    103 KB (5,184 words) - 20:49, 10 September 2024
  • Thumbnail for Turner syndrome
    which the patient's cells have only one X chromosome or are partially missing an X chromosome (sex chromosome monosomy) leading to the complete or partial...
    77 KB (9,067 words) - 03:01, 12 September 2024
  • Thumbnail for Chromosome 1
    Chromosome 1 is the designation for the largest human chromosome. Humans have two copies of chromosome 1, as they do with all of the autosomes, which are...
    46 KB (3,290 words) - 20:16, 17 August 2024
  • Thumbnail for Chromosome 7
    Chromosome 7 is one of the 23 pairs of chromosomes in humans, who normally have two copies of this chromosome. Chromosome 7 spans about 160 million base...
    38 KB (2,949 words) - 22:58, 15 September 2024
  • Thumbnail for Down syndrome
    Down syndrome (redirect from Trisomy 21)
    nations), also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is usually associated with...
    149 KB (14,894 words) - 05:50, 19 September 2024
  • Thumbnail for Chromosome 16
    Chromosome 16 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 16 spans about 90 million...
    24 KB (1,670 words) - 21:40, 18 September 2024
  • Thumbnail for Chromosome 8
    Chromosome 8 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 8 spans about 146 million...
    29 KB (1,896 words) - 23:26, 28 March 2024
  • Thumbnail for Chromosome 5
    Chromosome 5 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 5 spans about 182 million...
    32 KB (2,298 words) - 22:55, 28 March 2024
  • Thumbnail for Jacobsen syndrome
    children have deletions on chromosome 11 as well as some extra genetic material from another chromosome. Ring chromosome 11- in this case genetic material...
    13 KB (1,314 words) - 08:28, 11 September 2024
  • Thumbnail for Small supernumerary marker chromosome
    marker chromosome (sSMC) is an abnormal extra chromosome. It contains copies of parts of one or more normal chromosomes and like normal chromosomes is located...
    56 KB (7,172 words) - 11:08, 18 November 2023
  • Thumbnail for Cell division
    of a contractile ring for the cell division. Cell division in eukaryotes is more complicated than in prokaryotes. If the chromosomal number is reduced...
    38 KB (4,282 words) - 13:16, 6 September 2024
  • Thumbnail for 13q deletion syndrome
    either be deleted linearly or as a ring chromosome. It is typically not hereditary— the loss of a portion of the chromosome typically occurs during gametogenesis...
    13 KB (1,484 words) - 21:55, 25 June 2024
  • Thumbnail for Cri du chat syndrome
    chat syndrome is a rare genetic disorder due to a partial chromosome deletion on chromosome 5. Its name is a French term ("cat-cry" or "call of the cat")...
    10 KB (1,147 words) - 05:10, 12 December 2023
  • Thumbnail for Cytokinesis
    the cytoplasm of the separating daughter cells. It thereby ensures that chromosome number and complement are maintained from one generation to the next and...
    28 KB (3,585 words) - 09:51, 18 August 2024
  • Thumbnail for Polysomy
    Polysomy (category Chromosomal abnormalities)
    humans where affected individuals possess three copies (trisomy) of chromosome 21. Polysomic inheritance occurs during meiosis when chiasmata form between...
    39 KB (4,281 words) - 21:02, 17 August 2024
  • Thumbnail for Benzene
    Benzene (redirect from Benzene ring)
    benzene molecule is composed of six carbon atoms joined in a planar hexagonal ring with one hydrogen atom attached to each. Because it contains only carbon...
    91 KB (9,542 words) - 07:00, 17 September 2024
  • Thumbnail for Ring-tailed lemur
    ring-tailed lemur, let alone the rest of the lemur clade, which comprises the entire endemic primate population of the island. However, chromosomal and...
    82 KB (8,895 words) - 18:42, 17 August 2024
  • Thumbnail for Cohesin
    can activate mRNA transcription in a given TAD. A few cohesin rings are found in chromosome arms that have AT-rich DNA sequences indicating that DNA sequence...
    31 KB (3,806 words) - 16:36, 7 May 2024
  • Thumbnail for Myelodysplastic syndrome
    no blasts in the blood; no Auer rods; ringed sideroblasts; normal or mixed karyotypes without complex chromosome abnormalities; and in vitro marrow culture...
    64 KB (7,099 words) - 23:51, 19 August 2024