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Are they identical? On twins and twin celebrities

aretheyidentical.jpgIn this series, I will write about each of 10 most common (and sometimes silly) questions that mom of twins/multiples are asked.

Question # 1: Are they identical?
This is a fairly common and (I think) reasonable question though usually people can tell just by looking at my twin boys. They are alike as 2 peas in a pod, so they say. I would tend to disagree to the latter statement but that`s another story.

There are instances, however, when people would ask the same question even after learning that the twin babies in question are a boy and a girl. Identical (a.k.a monozygotic) twins are always of the same gender ? period. It goes without saying that a boy-and-girl set are fraternal (a.k.a dizygotic) twins.

About 22 out of a thousand pregnancies will produce dizygotic twins although this rate is increasing. Only 4 out of a thousand pregnancies results in monozygotic twins. There is a 3rd type of twins, called polar body twins, but this is very rare. Monozygotic twins have identical genetic make up. Dizygotic twins do not and genetic resemblance will be just like between normal siblings. Polar body twins have identical genes from their mom but different genes from their dad.

Many celebrities are twins themselves or parents to twins as I`ve listed below.

Celebrities who are a twin:

Mary-Kate and Ashley Olsen (actors) are identical twins.

Evan and Jeremy Jaron Lowenstein (singers) are also identical twins.

Alanis Morissette has a twin brother.

Both Justin Timberlake and Elvis Priestly supposedly had twins who died at birth.

Celebrities who are parents of twins:

Julia Roberts is mom to Phinnaeus Walter and Hazel Patricia, now aged 3.

Marcia Cross is mom to Savannah and Eden who will turn 1 next month.

Dennis Quaid is dad to Thomas Boone and Zoe Grace, just over 2 months.

Princess Maxima and Prince Willem-Alexander of the Netherlands are parents to crown princesses Amalia and Alexia.
Any other twin or twin parent celebrities you know?

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