Monday, September 28, 2015

Fact of the Day: Twin Difference

The reason some twins are identical is that because the original zygote cell split into two which formed two embryos. Fraternal twins are formed from two separate zygotes. 

17 comments:

Huggybear said...

Smart uniforms - I think I see wings on the left side of the jacket.
Thus I presume Air Stewardess or as they were once called - "Hosties"????
If Stewardesses with what airline???
B J Hunnicut

Margaret D said...

I knew this.. they do look good all dressed up ready to go.

Mary Kirkland said...

I knew this because I older older identical twin brothers.

Emmylou said...

You know, I've always wanted to have twin kids. However, hubby thinks three kids are enough...:P

Anna-Alina said...

I think I've heard about it before, interesting!

http://anna-alina.blogspot.com/

Anonymous said...

I knew that!

Pat Hatt said...

Knew that one. There are still slight differences to most, can't notice unless you are around them a lot though

A Beer for the Shower said...

Since my cohort and I are two completely different zygotes I still consider us fraternal, non-related twins. Thanks for clarifying.

Adam said...

they are both in the U.S. Navy

Al Penwasser said...

Science aside, what a cool picture.

Jax said...

I knew this one from biology class. It's probably the only thing that I retained. Lmao

bj said...

The Navy twins are awesome. We are blessed to have fraternal twin grandgirls and they are as different as day and night...one blond, blue eyed, the other, dark hair and eyes...they are beautiful.....

Kirsty Vittetoe said...

Cool and fun facts!

Martha said...

Oh, I knew this one!

Emmylou said...

I just saw Kit Harrington's on-set pics.....squeeeee!!!! He was wearing the Stark sigil?!?!
PS Thanks for keeping me up-to-date with these stuff, Adam. :)

Caro * said...

Nice fact. This uniform is marvelous !

Christine said...

I think I knew that, sort of.