enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Genetics of Down syndrome - Wikipedia

   en.wikipedia.org/wiki/Genetics_of_Down_syndrome

   An anaphase lag of a chromosome 21 in a Down syndrome embryo leads to a fraction of euploid cells (2n cells), phenomenon described as "aneuploidy rescue". There is considerable variability in the fraction of cells with trisomy 21, both as a whole and tissue-by-tissue. This is the cause of 1–2% of the observed Down syndromes. [4]

3. Down syndrome - Wikipedia

   en.wikipedia.org/wiki/Down_syndrome

   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] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.

4. Pedigree chart - Wikipedia

   en.wikipedia.org/wiki/Pedigree_chart

   The word pedigree is a corruption of the Anglo-Norman French pé de grue or "crane's foot", either because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a crane [4] or because such a mark was used to denote succession in pedigree charts. [5] A pedigree ...

5. Everything you need to know about Down syndrome - AOL

   www.aol.com/news/everything-know-down-syndrome...

   Mosaic Down syndrome: Only some cells in the person have an extra copy of chromosome 21. This genetic cause is considered rare. This genetic cause is considered rare.

6. File:Autosomal Dominant Pedigree Chart.svg - Wikipedia

   en.wikipedia.org/wiki/File:Autosomal_Dominant...

   Autosomal dominant pedigree chart. In Autosomal Dominance the chance of receiving and expressing a particular gene is 50% regardless of the sex of parent or child. Date: 22 July 2006: Source: Own work: Author: Jerome Walker: Permission (Reusing this file)

7. John Langdon Down - Wikipedia

   en.wikipedia.org/wiki/John_Langdon_Down

   John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down syndrome, which he originally classified in 1862.

8. A mom of 3 learned she had mosaic Down syndrome through ... - AOL

   www.aol.com/lifestyle/mom-3-learned-she-had...

   For Ashley Zambelli, a surprise diagnosis allowed her to have an even more special bond with her children.. The Michigan-based mom, 23, recently found out she has Mosaic Down syndrome, a condition ...

9. Robertsonian translocation - Wikipedia

   en.wikipedia.org/wiki/Robertsonian_translocation

   In rare cases this translocation results in Down syndrome and Patau syndrome. [2] Robertsonian translocations result in a reduction in the number of chromosomes. A Robertsonian evolutionary fusion, which may have occurred in the common ancestor of humans and other great apes, is the reason humans have 46 chromosomes while all other primates ...