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2. Distal trisomy 10q - Wikipedia

   en.wikipedia.org/wiki/Distal_trisomy_10q

   Distal trisomy 10 is a rare chromosomal disorder that causes several physical defects and intellectual disability. [5] Humans, like all sexually reproducing species, have somatic cells that are in diploid [ 2N] state, meaning that N represent the number of chromosomes, and 2 the number of their copies. In humans, there are 23 chromosomes, but ...

3. Aneuploidy - Wikipedia

   en.wikipedia.org/wiki/Aneuploidy

   Specialty. Medical genetics. Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human cell having 45 or 47 chromosomes instead of the usual 46. [1] [2] It does not include a difference of one or more complete sets of chromosomes. A cell with any number of complete chromosome sets is called a euploid cell.

4. Trisomy - Wikipedia

   en.wikipedia.org/wiki/Trisomy

   The number of chromosomes in the cell where trisomy occurs is represented as, for example, 2n+1 if one chromosome shows trisomy, 2n+1+1 if two show trisomy, etc. "Full trisomy", also called "primary trisomy", means that an entire extra chromosome has been copied. "Partial trisomy" means that there is an extra copy of part of a chromosome.

5. Chromosome abnormality - Wikipedia

   en.wikipedia.org/wiki/Chromosome_abnormality

   A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder is a missing, extra, or irregular portion of chromosomal DNA. [1] [2] These can occur in the form of numerical abnormalities, where there is an atypical number of chromosomes, or as structural abnormalities, where one or more ...

6. Trisomy 16 - Wikipedia

   en.wikipedia.org/wiki/Trisomy_16

   Trisomy 16 is a chromosomal abnormality in which there are 3 copies of chromosome 16 rather than two. [1] It is the most common trisomy leading to miscarriage and the second most common chromosomal cause of it, closely following X-chromosome monosomy. [2] About 6% of miscarriages have trisomy 16. [3] Those mostly occur between 8 and 15 weeks ...

7. This Mississippi mom thought she was having twins. It was ...

   www.aol.com/news/mississippi-mom-thought-she...

   It was quintuplets. This Mississippi mom thought she was having twins. It was quintuplets. Rachel Paula Abrahamson. June 20, 2024 at 6:15 PM. A couple in Laurel, Mississippi, got the shock of a ...

8. Genetics of Down syndrome - Wikipedia

   en.wikipedia.org/wiki/Genetics_of_Down_syndrome

   Genetics of Down syndrome. Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on chromosome 21, either in whole ( trisomy 21) or part (such as due to translocations ). The effects of the extra copy varies greatly from individual to individual, depending on the extent of the extra copy ...

9. Pallister–Killian syndrome - Wikipedia

   en.wikipedia.org/wiki/Pallister–Killian_syndrome

   The Pallister–Killian syndrome (PKS), also termed tetrasomy 12p mosaicism or the Pallister mosaic aneuploidy syndrome, is an extremely rare and severe genetic disorder. PKS is due to the presence of an extra and abnormal chromosome termed a small supernumerary marker chromosome (sSMC). sSMCs contain copies of genetic material from parts of ...