Monozygotic twins can develop differently, due to different genes being activated.
More unusual are "semi-identical twins".
What causes identical twins or monozygotic twins? Find out the chances of
having identical twins and the risks involved. Huggies.com.au.
www.ask.com/youtube?q=How Are Identical Twins Made?&v=sOBvRhXIJN4
Nov 6, 2013 ... Footage from "National Geographic-In The Womb (Identical Twins) ... GROWS IN
THE WOMB DURING PREGNANCY - How TWINS are made?
www.ask.com/youtube?q=How Are Identical Twins Made?&v=wBVXR4SIHAA
Feb 12, 2013 ... does anyone know what causes identical twins? ... HOW BABY GROWS IN THE
WOMB DURING PREGNANCY - How TWINS are made?
Jun 14, 2016 ... Identical twins are made. This can happen with or without fertility drugs. In cases
of IVF, there may be more than one fertilized egg put back into ...
To form identical twins, one fertilised egg (ovum) splits and develops two babies
... The self-contained halves then develop into two babies, with exactly the same
May 9, 2001 ... How eggs split to form identical twins Q: In the case of identical twins, what
triggers a single ... This is the stuff that an embryo will develop from.
Identical twins look almost exactly alike and share the exact same genes. Most
identical twins happen by chance.
There are two types of twins--fraternal and identical--that are formed through
separate processes taking place during sexual reproduction. The third type of ...
The 'semi-identical' twins are the result of two sperm cells fusing with a single egg
, before becoming two embryos. An embryo created this way doesn't usually ...