[DOC] [TLE] Twin - Wikipedia [PAR] Twins are two offspring produced by the same pregnancy. Twins can be either 
monozygotic ("identical"), meaning that they develop from one zygote, which 
splits... [DOC] [TLE] Zygote - Wikipedia [PAR] A zygote is a eukaryotic cell formed by a fertilization event between two gametes. 
The zygote's ... it will later differentiate into both intraembryonic and 
extraembryonic tissues, and can even split to produce multiple embryos (identical 
twins). [DOC] [TLE] embryology - How late in a human pregnancy can a zygote split ... [PAR] Aug 23, 2015 ... If the zygote splits very early (in the first 2 days after fertilization) they may 
develop separate placentas (chorion) and separate sacs (amnion). [DOC] [TLE] USATODAY.com - How eggs split to form identical twins [PAR] May 9, 2001 ... During the first four days after fertilization, the huge fertilized egg (zygote) splits 
into many smaller cells suitable for building the eventual baby. [DOC] [TLE] Why do zygotes split? - Quora [PAR] Jun 4, 2016 ... I'm guessing this question does not belong in Stocks and Stock Market (word split 
... The egg doesn't split- after fertilization by the sperm... [DOC] [TLE] Twin pregnancy - identical and fraternal twins - single fertilized egg ... [PAR] With identical twins, one egg (zygote) from the mother is fertilized by one sperm 
from the father, and then very early in development the embryo splits and two... [DOC] [TLE] Types of Twins : Identical, Fraternal & Unusual Twinning | Twin ... [PAR] The two eggs form two zygotes. and these twins are therefore also known as 
dizygotic. ... The exact cause for the splitting of a zygote or embryo is unknown. [DOC] [TLE] What causes the fertilized egg splitting into two zygotes when ... [PAR] Aug 23, 2008 ... But at this point, when it's just a couple of cells, it can split in such a way that it 
forms 2 separate beings (just like amoebas and other asexually... [DOC] [TLE] Identical twins - how do the happen, chances and risks of identical ... [PAR] Identical twins form when one egg has been fertilised by one sperm and the 
zygote splits into two. This happens at the very earliest stage of development, 
when... [DOC] [TLE] How do fraternal twins differ from - UCSB Science Line - University ... [PAR] After the embryo has divided into about 4 cells it can split and become two 
separate two ... So identical twins come from one zygote that splits into two 
embryos. [DOC] [TLE] Split (genetics) | definition of Split (genetics) by Medical dictionary [PAR] Looking for online definition of Split (genetics) in the Medical Dictionary? ... The 
nature of the zygotes from which individuals are derived; for example, whether... [DOC] [TLE] When do identical twins split? - Straight Dope Message Board [PAR] All the "twins" websites are talking about the zygote splitting, not the embryo. 
Sounds to me like the answer to your question is, "Twinning takes... [DOC] [TLE] Group culture of human zygotes is superior to individual culture in ... [PAR] Nov 3, 2010 ... Their 936 zygotes were split into three subgroups (individual culture, individual 
culture with contact to neighbours, group culture). All concepti... [DOC] [TLE] Twins | Sciencelearn Hub [PAR] Jun 8, 2011 ... This type of twinning occurs when a single fertilised egg (zygote) splits and forms 
2 separate embryos within 14 days of fertilisation. [DOC] [TLE] Twins fetal development - 3 weeks pregnant - BabyCentre [PAR] They start off as one (mono) fertilised egg (zygote) that splits into two identical 
embryos. The twins share exactly the same genes and are always the same... [DOC] [TLE] How many times can you split an embryo? - TV Tropes Forum [PAR] Jun 30, 2011 ... As I understand it, identical quadruplets can happen, so I believe it is possible to 
take one zygote, and keep splitting it, and splitting it, until you... [DOC] [TLE] What is a zygote? | Reference.com [PAR] A zygote normally develops into a single embryo. If the daughter cells resulting 
from a zygote's division are split apart

Question: Split zygotes
Answer: twins