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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 ...
[58] [64] This method can be used to increase a particular animal's contribution to the population. [58] While linebreeding is less likely to cause problems in the first generation than does inbreeding, over time, linebreeding can reduce the genetic diversity of a population and cause problems related to a too-small gene pool that may include ...
The second, combined with a normal gamete from the other parent, gives rise to a typical child. The third leads to a translocation Down syndrome child. The last becomes a translocation carrier, like the parent. Translocation Down syndrome is often referred to as familial Down syndrome. It is the cause of about 4.5% of the observed Down ...
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Lindsey Wiggins tells PEOPLE she had some inklings that her daughter might have Down syndrome, but "broke down" when a doctor suggested tests at 4 months old Mom in Tears After 4-Month-Old Is ...
Trisomy 21, an extra copy of the 21st chromosome, is responsible for causing Down syndrome, and the mouse chromosome 16 closely resembles human chromosome 21. [1] In 1979, trisomy of the mouse chromosome 16 (Ts16) initially showed potential to be a model organism for human Down syndrome. [ 2 ]
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.
When Courtney Baker's baby was diagnosed with Down syndrome her doctor advised her to get an abortion -- and now she's opening up about the experience.