Now as to some of the ties, they will need to show that they have significant close family at home, property not easily sold, and a good job for a good company that they have had for awhile that a person would not normally abandon. So if the person is young, without much money or any property, they could be denied.
A mutation can occur anywhere in the body in a cellular level, but mainly if it is a disease, such as a hereditary one, it is usually in the DNA.
1 Mutations are random changes and are independent of any 'requirements' of organisms. 2  Mutations are induced by the chemical reactions that a particular DNA molecule experiences. 3  Thus each type of mutation occurs at its own rate.