Twins are two offspring produced by the same pregnancy. Twins can be either
monozygotic ("identical"), meaning that they develop ... Male–female twins are
the most common result, 50 ...
Identical (monozygotic) twins are always of the same sex because they form from
a single zygote that contains either male (XY) or female (XX) sex chromosomes ...
This video excerpt from their site says: Identical twins are. ... This can also
happen when the egg is fertilized with the male chromosome, making ...
Jan 29, 2009 ... My boss says that ameoba seperation causes identical twins, but that they can be
1 male and one female. I told him he's insane. Please help ...
Identical Twins occur when a single egg is fertilized by a single sperm to form ....
rare cases. twins have been born with opposite sexes (one male. one female).
If the aneuploidy were for the X chromosome, one twin might by male (XY or XYY
) while the other would be female (XO). Such male/female "identical twins" have ...
Dec 26, 2012 ... In theory you should get what would be about as close as possible to male/
female identical (monozygotic twins). However, I don't believe it ...
I have identical boy twins and was told the other day that identical boy twins are
... Babycenter.com not an hour ago that idetical male and female twinsDo exist, ...
Oct 1, 2015 ... But, as explained here, identical twins do not always look exactly the same. And
male/female twins certainly don't look identical!
Oct 1, 2015 ... Yes, female identical (MZ) twins can appear more different than male identical
twins! The epigenetic factors that can cause identical twins of ...