0_Wizard
I have an identical twin brother! They were both born from the same pregnancy. Do you have any twins in your family? 
Twins are two offspring produced by the same pregnancy.
chosen_Twin_0
Twin
chosen_topic_0_Twin
Twin
Twins are two offspring produced by the same pregnancy. Twins can be either "monozygotic" ("identical"), meaning that they develop from one zygote, which splits and forms two embryos, or "dizygotic" ("fraternal"), meaning that they develop from two different eggs. In fraternal twins, each twin is fertilized by its own sperm cell. In contrast, a fetus that develops alone in the womb is called a "singleton", and the general term for one offspring of a multiple birth is "multiple". Non-related look-alikes whose resemblance parallels that of twins are referred to as doppelgangers. The human twin birth rate in the United States, rose 76% from 1980 through 2009, from 18.9 to 33.3 per 1,000 births.
The Young and the Restless characters (2000s)
A list of notable characters from the CBS soap opera "The Young and the Restless" that significantly impacted storylines and debuted between January 2000 and December 2009. Alex Perez first appeared on November 29, 2000, later becoming the fiancée of Malcolm Winters and lover of his brother, Neil. The role, portrayed by Alexia Robinson, was created to fill the void left by Victoria Rowell. Prior to her debut, the character was only known as "Erin". In 2002, it was announced that Robinson was to exit "The Young and the Restless" after the expiration of her contract, and departed onscreen on May 9, 2002.
List of Shameless characters
The following is a list of fictional characters from the British comedy-drama Shameless, created by Paul Abbott, which began broadcasting on Channel 4 in 2004. The programme is set on the fictinal Chatsworth Estate in suburban Manchester and the surrounding area, and primarily follows the lives of the Gallagher family and the neighbouring Maguire family, and their friends and neighbours in the town's shops and local pub The Jockey. The first series focuses on layabout Frank Gallagher and the lives of his six children, Fiona and boyfriend Steve, Lip, Ian, Carl, Debbie and Liam, and next-door neighbours, Kev and Veronica.
List of Australian rules football families
This is a List of Australian rules football families, that is families who have had more than one member play or coach in the Australian Football League (previously the VFL) as well as families who have had multiple immediate family members with notable playing or coaching careers in the West Australian Football League (WAFL), South Australian National Football League (SANFL) or Victorian Football League (VFL, formerly known as the VFA). Each family will have at least a father and child combination or a set of siblings. Many families have had two or more cousins play league football but they are not included unless one also had a father, child or sibling play.
List of Arrested Development characters
"Arrested Development" is an American television sitcom that originally aired on the Fox network from November 2, 2003 to February 10, 2006. A fourth season of 15 episodes was released on Netflix on May 26, 2013. Created by Mitchell Hurwitz, the show centers on the Bluth family, a formerly wealthy, habitually dysfunctional family, and is presented in a continuous format, incorporating hand-held camera work, narration, archival photos, and historical footage. The series stars Jason Bateman, Portia de Rossi, Will Arnett, Michael Cera, Alia Shawkat, Tony Hale, David Cross, Jeffrey Tambor, and Jessica Walter.
Multiple birth
A multiple birth is the culmination of one multiple pregnancy, wherein the mother delivers two or more offspring. A term most applicable to placental species, multiple births occur in most kinds of mammals, with varying frequencies. Such births are often named according to the number of offspring, as in "twins" and "triplets". In non-humans, the whole group may also be referred to as a "litter", and multiple births may be more common than single births. Multiple births in humans are the exception, and can be exceptionally rare in the largest mammals. Each single fertilized egg (zygote) may produce a single embryo, or it may split into two or more embryos, each carrying the same genetic material.
Rybka Twins
Teagan Rybka and Sam Rybka (born 22 June, 1995), known as the Rybka Twins, are fraternal twin Australian YouTubers, actresses and singers who are the third place semi-finalists on series 7 of "Australia's Got Talent" in 2012-13. Teagan and Sam are fraternal twin sisters born in Perth, Western Australia on 22 June, 1995. Teagan is the older one, and Sam is the younger one. They have three older half brothers. Father Rybka died unexpectedly in late September 2017 during "Draw My Life," after "Who's the better twin? ", their 73rd video before Zayn becomes a "full white". The Rybka twins started going on "Australia's Got Talent" in late 2012 to early 2013 for series 7 until they placed third place in the semi-finals as acrobats, contortionists, dancers, and yoga (health & fitness) models.
1_Apprentice
My two little sisters were twins. How do twins develope?
0_Wizard
Well there are two types. The first are identical, where they develop from the same zygote. Fraternal twins develop from two separate eggs! What type are your sisters?
Twins can be either "monozygotic" ("identical"), meaning that they develop from one zygote, which splits and forms two embryos, or "dizygotic" ("fraternal"), meaning that they develop from two different eggs.
chosen_Twin_0
Twin
chosen_topic_0_Twin
Twin
Twins are two offspring produced by the same pregnancy. Twins can be either "monozygotic" ("identical"), meaning that they develop from one zygote, which splits and forms two embryos, or "dizygotic" ("fraternal"), meaning that they develop from two different eggs. In fraternal twins, each twin is fertilized by its own sperm cell. In contrast, a fetus that develops alone in the womb is called a "singleton", and the general term for one offspring of a multiple birth is "multiple". Non-related look-alikes whose resemblance parallels that of twins are referred to as doppelgangers. The human twin birth rate in the United States, rose 76% from 1980 through 2009, from 18.9 to 33.3 per 1,000 births.
Twin study
Twin studies reveal the importance of environmental and genetic influences for traits, phenotypes, and disorders. Twin research is considered a key tool in behavioral genetics and in content fields, from biology to psychology. Twin studies are part of the broader methodology used in behavior genetics, which uses all data that are genetically informative – siblings studies, adoption studies, pedigree, etc. These studies have been used to track traits ranging from personal behavior to the presentation of severe mental illnesses such as schizophrenia. Twins are a valuable source for observation because they allow the study of environmental influence and varying genetic makeup: "identical" or monozygotic (MZ) twins share nearly 100% of their genes, which means that most differences between the twins (such as height, susceptibility to boredom, intelligence, depression, etc.)
Chimera (genetics)
A genetic chimerism or chimera (also spelled chimaera) is a single organism composed of cells with distinct genotypes. In animals, this means an individual derived from different zygotes, which can include possessing both female and male sex organs, blood cells of two blood types, or subtle variations in form. Animal chimeras are produced by the merger of multiple fertilized eggs. In plant chimeras, however, the distinct types of tissue may originate from the same zygote, and the difference is often due to mutation during ordinary cell division. Normally, genetic chimerism is not visible on casual inspection; however, it has been detected in the course of proving parentage.
Multiple birth
A multiple birth is the culmination of one multiple pregnancy, wherein the mother delivers two or more offspring. A term most applicable to placental species, multiple births occur in most kinds of mammals, with varying frequencies. Such births are often named according to the number of offspring, as in "twins" and "triplets". In non-humans, the whole group may also be referred to as a "litter", and multiple births may be more common than single births. Multiple births in humans are the exception, and can be exceptionally rare in the largest mammals. Each single fertilized egg (zygote) may produce a single embryo, or it may split into two or more embryos, each carrying the same genetic material.
List of Crash Bandicoot characters
"Crash Bandicoot" is a series of platform video games created by Andy Gavin and Jason Rubin. The game was currently published by Activision. The series was formerly developed by Naughty Dog from 1996 to 1999, and by Traveller's Tales, Eurocom and Vicarious Visions from 2000 to 2004. The series features a large cast of distinctive characters designed by numerous different artists, which include Charles Zembillas and Joe Pearson. It also features a cast of veteran voice actors. The series centers on the conflicts between a mutated bandicoot named Crash Bandicoot and his creator, Doctor Neo Cortex.
Sibling
A sibling is one of two or more individuals having one or both parents in common. A full sibling is a first-degree relative. A male sibling is a brother, and a female sibling is a sister. In most societies throughout the world, siblings often grow up together, thereby facilitating the development of strong emotional bonds. The emotional bond between siblings is often complicated and is influenced by factors such as parental treatment, birth order, personality, and personal experiences outside the family. However, there are cases where siblings grow up in separate homes, in different environments.
Irving Gottesman
Irving Isadore Gottesman (December 29, 1930 – June 29, 2016) was an American professor of psychology who devoted most of his career to the study of the genetics of schizophrenia. He wrote 17 books and more than 290 other publications, mostly on schizophrenia and behavioral genetics, and created the first academic program on behavioral genetics in the United States. He won awards such as the Hofheimer Prize for Research, the highest award from the American Psychiatric Association for psychiatric research. Lastly, Gottesman was a professor in the psychology department at the University of Minnesota, where he received his Ph.D.  A native of Ohio, Gottesman studied psychology for his undergraduate and graduate degrees, became a faculty member at various universities, and spent most of his career at the University of Virginia and the University of Minnesota.