• Thumbnail for Aneuploidy
    Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human somatic cell having 45 or 47 chromosomes instead of the...
    37 KB (3,558 words) - 21:58, 30 October 2024
  • Thumbnail for Chromosome
    of aneuploidy is increased by tobacco smoking, and occupational exposure to benzene, insecticides, and perfluorinated compounds. Increased aneuploidy is...
    63 KB (6,534 words) - 22:51, 12 November 2024
  • Thumbnail for Prenatal testing
    plasma has led to new methods for the determination of fetal chromosomal aneuploidies. This type of testing is referred to as non-invasive prenatal testing...
    87 KB (8,887 words) - 19:36, 11 October 2024
  • syndrome and Turner syndrome. An abnormal number of chromosomes is known as aneuploidy, and occurs when an individual is either missing a chromosome from a pair...
    18 KB (1,966 words) - 12:02, 29 May 2024
  • Thumbnail for Autosome
    heterozygotes) for the condition. Autosomal aneuploidy can also result in disease conditions. Aneuploidy of autosomes is not well tolerated and usually...
    11 KB (1,089 words) - 01:15, 18 August 2024
  • Thumbnail for Nondisjunction
    Nondisjunction results in daughter cells with abnormal chromosome numbers (aneuploidy). Calvin Bridges and Thomas Hunt Morgan are credited with discovering...
    25 KB (2,857 words) - 18:11, 18 May 2024
  • syndrome (PKS), also termed tetrasomy 12p mosaicism or the Pallister mosaic aneuploidy syndrome, is an extremely rare and severe genetic disorder. PKS is due...
    17 KB (1,946 words) - 19:55, 23 August 2024
  • Thumbnail for Pentasomy X
    Pentasomy X (category Sex chromosome aneuploidies)
    are not specific to pentasomy X, but rather common to sex chromosome aneuploidies in general and in particular show a strong resemblance to the male counterpart...
    29 KB (3,393 words) - 18:36, 31 October 2024
  • Trisomic rescue (also known as trisomy rescue or trisomy zygote rescue) is a genetic phenomenon in which a fertilized ovum containing three copies of a...
    3 KB (312 words) - 01:15, 30 November 2023
  • called aneuploidy. Aneuploidy is very common in humans, with around 20-40% of all conceptions making a embryo displaying aneuploidy. Most aneuploidy events...
    6 KB (717 words) - 16:51, 6 September 2024