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trisomy    
三染色体性; 三体性

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  • Trisomy: Types of Trisomy Disorders - Cleveland Clinic
    Trisomy is a genetic condition where a person is born with an extra chromosome The most common type of trisomy is Down syndrome
  • Trisomy - Wikipedia
    A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two [1] A trisomy is a type of aneuploidy (an abnormal number of chromosomes)
  • Types of Trisomy: Causes and Symptoms - Verywell Health
    Trisomy is when a person has three copies of a chromosome instead of two Down syndrome, Edwards syndrome, and Patau syndrome are examples of autosomal trisomies Some trisomies can cause miscarriages or severe birth defects
  • Trisomy 13 and Trisomy 18 in Children
    Trisomy 13 and trisomy 18 are genetic disorders They include a combination of birth defects, such as severe learning problems and health problems that affect nearly every organ in the body
  • Down syndrome - Wikipedia
    Down syndrome or Down's syndrome, [12] also known as Trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21 [3]
  • Trisomy 18 Syndrome | Trisomy 13 Syndrome | Trisiomy 9 Syndrome - SOFT
    Trisomy (‘three bodies’) means the affected person has 47 chromosomes instead of 46 Down syndrome, Edward syndrome and Patau syndrome are the most common forms of trisomy Children affected by trisomy usually have a range of birth defects, including delayed development and intellectual disabilities
  • Trisomy 18 and 13 - Childrens Hospital of Philadelphia
    Trisomy 18 and trisomy 13 are genetic disorders that include a combination of birth defects This includes severe intellectual disability, as well as health problems involving nearly every organ system in the body Unfortunately, most babies born with trisomy 18 or 13 die by age 1
  • Trisomy | Description, Cause, Examples | Britannica
    Trisomy can affect some or all cells in the body and is present at birth, often being associated with various congenital disorders Trisomies are caused by spontaneous and random errors in the separation of a chromosome pair in the course of cell division (meiosis) during fertilization
  • Trisomy 13 (Patau Syndrome): Symptoms, Causes Outlook
    Trisomy 13 (Patau syndrome) is a rare genetic condition that occurs when the 13th chromosome appears three times (trisomy) instead of two times in a person’s DNA Trisomy 13 affects the development of the face, brain and heart, along with physical growth abnormalities throughout a child’s body
  • Trisomy 21 (Down Syndrome) - Childrens Hospital of Philadelphia
    Trisomy 21, also known as Down syndrome, is the most common chromosomal anomaly in humans and can cause intellectual disabilities and health issues





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