The child then watches an experimenter pour one of these into a tall thin glass, filling it almost full. Birth defects are often the result of a genetic problem, and there are many such types of disorders. Others, however, have non-genetic causes. Sorry, not right. Down's syndrome is a genetic disorder.
Birth defects are often the result of a genetic problem, and there are many such types of disorders.
Others, however, have non-genetic causes. This is environmental damage caused by alcohol ingested by the mother during gestation. Birth defects are often the result of a genetic problem, and there are many such types of disorders. Others, however, have non-genetic causes. Sorry, not right.