DNA Zygosity test

A zygosity twin test includes two siblings. If you need to add more siblings please select an option below.

The standard test analyses 25 DNA markers. The enhanced test analyses an industry-leading 45 DNA markers and is the most powerful DNA test available. It allows more genetic material to be analysed, which strengthens the result and provides additional reassurance.

Your kit will include everything required for the total number of people taking part in the test.
This option is therefore only required if people can’t get together to collect their samples.
You can enter these details at checkout.