Maternal Germinal Trisomy 21 in Down Syndrome
It has now been over 50 years since it was discovered that Down syndrome is caused by an extra chromosome 21, i.e., trisomy 21. In the interim, it has become clear that in the majority of cases, the extra chromosome is inherited from the mother, and there is, in this respect, a strong maternal age e...
Main Authors: | , , , |
---|---|
Format: | Online |
Language: | English |
Published: |
MDPI
2014
|
Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4449669/ |