Twin Zygosity DNA Testing

picture of two adorable twins over white

Twin Zygosity DNA testing from International Biosciences is the best method to find out if twins are identical or non-identical. IBDNA uses a simple mouth swab from each twin which is then sent to our laboratory for processing. Monozygotic twins, or Identical twins, have precisely the same genetic profile and non-identical twins (dizygotic) have different […]

Twin Zygosity DNA Testing


Determining whether twins are identical or fraternal is not always easy. Identical (monozygotic) twins are conceived when one egg is fertilized and splits into two separate cells resulting in twins with identical copies of DNA. Fraternal (dizygotic) twins are conceived when two eggs are released during ovulation and fertilized by separate sperm cells resulting in […]