Tubal Reversal Pregnancies: Age And Genetic Abnormalities
May 18th, 2009Trisomy – Most Common Chromosome Abnormality
There are many different types of genetic abnormalities. The most common is chromosomal (DNA) trisomy.
Trisomy means there are three copies of any one of our 23 chromosomes. Normally, we have two copies of each. Humans haveĀ 23 different chromosomes and each chromosome has a duplicate, or back upĀ copy, giving a total of 46 chromosomes. Read the rest of this article and comment on it. »








