karyotype$42097$ - определение. Что такое karyotype$42097$
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Что (кто) такое karyotype$42097$ - определение

GENETIC CONDITION IN WHICH A MALE HAS AN EXTRA Y CHROMOSOME
47,XYY; 47,XYY syndrome; XYY Karyotype; XYY karyotype; XYY-Trisomy; Xyy syndrome; XYY; Supermale syndrome; Karyotype 47,XYY; Jacobs syndrome; 47 xyy syndrome; Jacob's Syndrome; YY syndrome; Jacob syndrome; Jacob's syndrome; Xyy karyotype; Double Y Syndrome; Xyy; XYY chromosome; XYY chromosomes; Superman syndrome; Extra Y chromosome
  • 
Diagram showing XYY syndrome formation. MI and MII are the stages of meiosis, while the blue and pink circles are male (sperm) and female (ovum) cells,  respectively, and the blue and pink bars are Y- and X-chromosomes, respectively.

The purple cell has 2 Y-chromosomes and 1 X-chromosome caused by the ovum fusing with a sperm cell with two Y-chromosomes, which was due to division problems in MII of the male.

Virtual karyotype         
  • Karyotype}}
Virtual Karyotype
Virtual karyotype is the digital information reflecting a karyotype, resulting from the analysis of short sequences of DNA from specific loci all over the genome, which are isolated and enumerated.Digital karyotyping - Wang et al.
karyotype         
  • The [[cell cycle]].
  • Fusion of ancestral chromosomes left distinctive remnants of telomeres, and a vestigial centromere
  • Chromosomes at various stages of [[mitosis]]. Karyograms are generally made by chromosomes in prometaphase or metaphase. During these phases, the two copies of each chromosome (connected at the [[centromere]]) will look as one unless the image resolution is high enough to distinguish the two.
  • Micrographic karyogram of a human male. See section text for details.
  • [[Schematic]] karyogram demonstrating the basic knowledge needed to read a karyotype.
  • publisher=Oxford University Press}} Revised August 2004, January 2008</ref>
  • mitochondrial genome]] to scale (at bottom left). See section text for more details.
  • FISH]].
  • Spectral karyogram of a human female
  • Spectral human karyotype
DISPLAY OF CHROMOSOME IN A CELL FOLLOWING CERTAIN CONFIGURATION
Karyogram; Spectral karyotype; Karyology; Karyotyping; Karotype; Cytogenetic map; Spectral karyotyping; Idiogram; Idiotypic variation; Chromosome banding; Harlequin chromosome; Flow karyotyping; Karyotypes; Caryotype; Chromosome morphology; Keryotyping; Chromosome band; Chromosome map; Karyotype analysis; Fundamental number; Karyotypic; Diploid Arm Number; Diploid arm number; Molecular karyotyping; Human karyotype; Cytotype; C-banding; 46,XX; 46 XX; Somatic number; Q-banding; Abnormal karyotype
['kar??(?)t??p]
¦ noun Biology & Medicine the number and visual appearance of the chromosomes in the cell nuclei of an organism.
Derivatives
karyotypic adjective
Karyotype         
  • The [[cell cycle]].
  • Fusion of ancestral chromosomes left distinctive remnants of telomeres, and a vestigial centromere
  • Chromosomes at various stages of [[mitosis]]. Karyograms are generally made by chromosomes in prometaphase or metaphase. During these phases, the two copies of each chromosome (connected at the [[centromere]]) will look as one unless the image resolution is high enough to distinguish the two.
  • Micrographic karyogram of a human male. See section text for details.
  • [[Schematic]] karyogram demonstrating the basic knowledge needed to read a karyotype.
  • publisher=Oxford University Press}} Revised August 2004, January 2008</ref>
  • mitochondrial genome]] to scale (at bottom left). See section text for more details.
  • FISH]].
  • Spectral karyogram of a human female
  • Spectral human karyotype
DISPLAY OF CHROMOSOME IN A CELL FOLLOWING CERTAIN CONFIGURATION
Karyogram; Spectral karyotype; Karyology; Karyotyping; Karotype; Cytogenetic map; Spectral karyotyping; Idiogram; Idiotypic variation; Chromosome banding; Harlequin chromosome; Flow karyotyping; Karyotypes; Caryotype; Chromosome morphology; Keryotyping; Chromosome band; Chromosome map; Karyotype analysis; Fundamental number; Karyotypic; Diploid Arm Number; Diploid arm number; Molecular karyotyping; Human karyotype; Cytotype; C-banding; 46,XX; 46 XX; Somatic number; Q-banding; Abnormal karyotype
A karyotype is a preparation of the complete set of metaphase chromosomes in the cells of a species or in an individual organism, sorted by length, centromere location and other features and for a test that detects this complement or counts the number of chromosomes.Concise Oxford Dictionary Karyotyping is the process by which a karyotype is prepared from photographs of chromosomes, in order to determine the chromosome complement of an individual, including the number of chromosomes and any abnormalities.

Википедия

XYY syndrome

XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. There are usually few symptoms. These may include being taller than average, acne, and an increased risk of learning disabilities. The person is generally otherwise normal, including typical rates of fertility.

The condition is generally not inherited but rather occurs as a result of a random event during sperm development. Diagnosis is by a chromosomal analysis, but most of those affected are not diagnosed within their lifetime. There are 47 chromosomes, instead of the usual 46, giving a 47,XYY karyotype.

Treatment may include speech therapy or extra help with schoolwork, however outcomes are generally positive. The condition occurs in about 1 in 1,000 male births. Many people with the condition are unaware that they have it. The condition was first described in 1961.