By snap I assume you mean snapping your fingers, if that's the case, the answer is no, the sound generated from your fingers are caused by friction and when you fail to make a sound it just indicate that there is insufficient friction, thus it is just a technique that not perfected!
no it cant be defect abundantly
Yes, it will cause birth defect.
No they are not, lord jesus! Stop hating -_-
The Spina Bifida birth defect is autosomal.
The term you are probably looking for is "congenital defect."
No
No
Exists from birth.
Exists from birth.
I have never read she had a birth defect. Her favorite color was purple and died wearing purple shoes.
Down's Syndrome is an example of a birth defect characterized by an abnormality of the chromosome structure.
"Congenital" means present at birth. So, a congenital heart defect is a defect (structural anomaly) that is present at birth. 1 in 100 babies are born with a congenital heart defect.