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.
Down's Syndrome is an example of a birth defect characterized by an abnormality of the chromosome structure.
I have never read she had a birth defect. Her favorite color was purple and died wearing purple shoes.
"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.