Definition: Mirror image twins are monozygotic, twins that form from a single fertilized egg. When the split occurs late - more than a week after conception. Any later and the twins can be co-joined. The twins develop reverse asymmetric features. This term is not really a type of twin, just a way to describe their physical features. For example, they may be right and left handed, have birthmarks on opposite sides of their body, or have hair whorls that swirl in opposite directions. In theory, if the twins faced each other, they would appear to be exact reflections of each other. About 25% of identical twins are mirror image twins.
The thought first crossed my mind because when the boys first started cutting teeth they each had an opposite tooth come in (i.e. bottom left and bottom right). For several months now they have been showing definite signs of hand dominance. They rarely go back and forth at this point. Mason is definitely right handed and Prior is definitely left handed.
The thought first crossed my mind because when the boys first started cutting teeth they each had an opposite tooth come in (i.e. bottom left and bottom right). For several months now they have been showing definite signs of hand dominance. They rarely go back and forth at this point. Mason is definitely right handed and Prior is definitely left handed.
So when I caught the boys napping in this "mirror image" way I couldn't help but take a picture.
Having the same DNA is pretty interesting stuff!
Wow! That is interesting stuff! I don't know them very well, but from reading the blog I can tell they are very similar, yet different in many ways too! That picture is really cool for sure!
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