Pretty and Cute Sisters and Twins Birthday Card

This beautiful birthday card is for twin sisters of at any age, not just young ones. This card could even be for older sisters and would remind them of when they were young, the girls on this card are identical twins but it would work for any twin sibling. Twin girls love to do things together, so receiving a single card is fine, sending only a single card is acceptable etiquette nowdays so this card can also me a money saver. Do you know? Monozygotic twins, also known as identical twins, share their parents' DNA before birth. This ensures they will always have the same height, and eye colour; however, this doesn't guarantee they look identical due to different environmental influences on infant appearance. For instance, a baby's head may not be shaped the same or it might have hair that differs depending on environmental influences like their birthplace or nutrition. These differences can occur either while in the womb or as they develop, depending on what factors were present at their birth and as they grow older.