The twins will be biologically identical to each other. You need only test one of them.
The legal guardian must sign for the child(ren).
answered 3 years, 2 months ago
- State College, PA
The test is designed for one child, one father and one mother (optional). There is an extra charge for each additional child (even a twin) or possible father. (Currently, Identigene charges $89 for each additional person.)
Identical twins will have the same father, so there is no need to test both. It is very unlikely (but still possible) that fraternal twins have different fathers. Most likely, testing only one of the twins will answer the question (but you can add the second child at any time if you feel strongly that they should be tested, too).
A legal guardian must sign for the child. This means either the father or mother listed on the birth certificate. Generally, when a possible father is not a legal guardian, the mother must sign before the child can be tested.
answered 4 years ago
- Salt Lake City, Utah