Identical Twin

Identical Twin

Twins are two offspring resulting from the same pregnancy, either of the same or opposite sex. The general term for more than one offspring from the same pregnancy is multiples, for example triplets refers to cases of three offspring from the same pregnancy. A fetus alone in the womb is called a singleton.

Our staff works hard to make the DNA Identity Testing Center your choice of provider for all DNA testing services. We ensure superior quality, service and convenience to our clients. In our commitment to providing convenience, please know that we provide a free DNASwabTM Home DNA Collection Kit for use in all types of private DNA tests.

Diagnostic Testing
Diagnostic Testing
Two tests that can be performed during pregnancy, amniocentesis and chorionic villus sampling, can both reveal the gender of your baby with accuracy.
Dizygotic Twins
Dizygotic Twins
Dizygotic twins (commonly known as fraternal twins, but also referred to as non-identical twins or biovular twins) usually occur when two fertilized eggs are implanted in the uterine wall at the same time. The two eggs form two zygotes, and these twins are therefore also known as dizygotic as well as "biovular" twins. When two eggs are independently fertilized by two different sperm cells, DZ twins result.
Monozygotic Twins
Monozygotic twins, frequently referred to as identical twins, occur when a single egg is fertilized to form one zygote (monozygotic) which then divides into two separate embryos. Their traits and physical appearances are not exactly the same; although they have nearly identical DNA [1], environmental conditions both inside the womb and throughout their lives influence the switching on and off of various genes.
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