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There might be a story idea here. Semi-identical twins, an apparent rarity, share three-quarters of their DNA, vs. 100% for fully-identical twins, or 50% for fraternal twins. While identical twins always have the same birth-gender, semi-identical twins can be a boy/girl pair.
Are these twins more likely to be trans? Intersex? Have a special psychic connection?
Comments
Mild Spoiler
Something very similar forms part of the plot in Angela Rasch's Ma Cherie Amour.
Hugs,
Erin
= Give everyone the benefit of the doubt because certainty is a fragile thing that can be shattered by one overlooked fact.
Personal connection
My son's daughters are twins. We know they shared the same placenta, because we've seen the ultrasound, so everybody had assumed that they would be identical.
Except they are not. While they both share a number of their mother's features, facially they are different enough to distinguish easily and they both have totally differing characters.
I didn't know how that might be possible until I saw this article. Thanks.
Penny
Not that unusual
It's not that unusual for identical twins to have different personalities and different talents. I've know three sets of identical twins that fit that bill. It is unusual for "identical" twins to have markedly different physical features.
Hugs
Patricia
Happiness is being all dressed up and HAVING some place to go.
Semper in femineo gerunt
Rugrats.
You mean like Phil and Lil from Rugrats.
I've known several sets of twins
One pair which were "identical twins" that you could tell they were brothers but would you would not believe they were even twins. Then another set of paternal "non-identical twins" brother and sister who looked so much alike that even in their early 20's they could fool their own mother.
We the willing, led by the unsure. Have been doing so much with so little for so long,
We are now qualified to do anything with nothing.
XY, X
I happen to know one set of twins that are boy and girl only difference in DNA is he is xy while she has only a single x chromosome.
Have a good day and enjoy life.