Whether you "know" it or not, is not the question - if you are refusing to acknowledge that fact and are disputing it, yes, the court (or whatever government agency) CAN require it.
After the baby is born you can take a DNA test on him/her and the potential father. No one takes the risk of putting a needle through your belly into the fetus just for DNA.
You don't. You have to take her word for it, or have your DNA checked against the baby's.
If you take a IQ test online know that they are online as accurate as the company that you are taking them with. Some of them are rigged so make sure that you do some research to find on that is a accurate test. Keep in mind that a test is just a test.
Take a test and then show him
The only way to know for sure is a DNA test. This involves both brother and sister and father having this blood test done. It is not always necessary to have the father participate. Just the brother and sister alone will know if they have the same father. If you want to be sure who that father is, you will need a sample of his blood as well. The test is expensive, however. Talk to Mom or a school counselor if you need to, or wait until you are an adult to have the test done.
Bob Woolmer and his father make century in their first test match.
You will need to take a paternity test to prove you are in fact not the biological father. A man just was released from jail in Atlanta because it turns out he was not the biological father and had been previously jailed for falling behind on child support payments... Always take the test to be sure and then you can make the right decision.
He created the first form of an intelligence test named the Binet test, and what we now know as the IQ test.
Whoever you slept with or a paternity test with DNA testing
no
There is no such thing as "semi-identical" twins. If fraternal twins each take a paternity test, only the real father would show up as the father.
Take a pregnancy test