Monozygotic (MZ) or identical twins occur when a single egg is fertilized to form
..... There can be monozygotic boy/girl twins if the sex gene of the embryo has an
Identical twins are almost always the same sex, but surprisingly there are a tiny
number of boy-girl monozygotic twins. They result from an egg ...
Can identical twins ever be boy/girl twins? Can fraternal twins look so similar that
they are mistaken for identical? What are chromosomes? Can identical twins ...
Mar 6, 2008 ... I have been told from various people that this information is incorrect, and also
that it is not possible to have boy/girl identical twins. That they're ...
are always fraternal or ( dizygotic ); they can only form from two separate eggs that are fertilized by two separate sperm. The result is either two male twins
, two female twins
, or one male and one female.
However, there have been a few repo... More »
Boy/Girl Identical Twins. January 23, 2013 at 5:50pm. Can boy/girl twins be
identical? Boy/Girl identical twins.... Click here to read our latest article! 7 Likes15
A pair of monozygotic, adolescent twins is discordant for sex. The phenotypic
female twin has chromosome constitution of 46, XY/45, X. She displays many
I have identical boy twins and was told the other day that identical boy twins are
pretty rare but that the rarest type of identical twins are identical boy girl twins.
Identical Twins occur when a single egg is fertilized by a single sperm to form ...
form monozygotic boy/girl twins by dropping the Y chromosome for one twin and
Identical twins are always the same sex...2 boys or two girls, NEVER one of ... X
or Y. When the egg and sperm combine they create either a boy XY, or a girl XX.