Twin Testing Frequently Asked Questions about DNA, DNA Testing, Paternity, Human Identity Testing, and more

Twin Zygosity Testing:

Click on the question to see the answer.
If you can not find the answer you are looking for, please use our web questionnaire.

»	Why should I choose Affiliated Genetics to perform my twin test?

»	Why should I test my twins for zygosity?

»	I noticed some laboratories say they are AABB accredited. What's the difference and why should it be important to me?

»	What is the difference between Monozygotic and Dizygotic Twins?

»	How is DNA obtained for zygosity testing?

»	My twins don't look identical. Should I still spend the money for a DNA test?

»	How accurate is DNA testing for the purposes of determining twin zygosity?

»	How long will it take to get the results?

»	Are the results confidential?

»	What is the cost of Twin Zygosity Testing?

»	How frequent is twinning?

»	My friend said their doctor told them the zygosity of their twins based on a placental exam. Is this possible?

»	What if I have triplets?

»	Can a zygosity test tell me if my child has inherited a genetic desease or disorder?

»	What is polar body twinning?