Because fraternal, or dizygotic, twins are 2 separate fertilized eggs, they usually develop 2 separate amniotic sacs , placentas, and supporting structuresThe girl has a mix of 9010 In the 07 case, one of the twins actually had ambiguous genitalia, A boy and girl twins cannot be identical Monozygotic or identical twins are usually of the same sex as they are formed from a single zygote (fertilised egg) which contains either male (XY) or female (XX) sex chromosomes Just like siblings, fraternal twins share 50% of DNA from father and mother Fraternal twins represent twothirds of all twins
110 Best Fraternal Twins Ideas Twins Fraternal Twins Biracial Twins
