Twins

L. F. DiLalla; P. Y. Mullineaux; Kit Elam

doi:10.1016/B978-012370877-9.00166-3

Twins

L. F. DiLalla
, P. Y. Mullineaux
, Kit Elam

Social and Family Dynamics, T. Denny Sanford School of (SSFD)

Research output: Chapter in Book/Report/Conference proceeding › Chapter

4 Scopus citations

Abstract

Twins occur when two fetuses share the same uterus during a pregnancy. Twins sometimes share a special language and they often perform better at school when they are allowed to be in the same classroom when they are very young. Twins may be shyer than nontwins, and they often are each other' best friends. Because there are two types of twins - monozygotic, who share 100% of their genes, and dizygotic, who share on average 50% of their genes - these two types can be compared to obtain estimates of the genetic and environmental influences on behaviors. Twin research has yielded much information about genetic influences on behaviors such as temperament, aggression, and shyness.

Original language	English (US)
Title of host publication	Encyclopedia of Infant and Early Childhood Development
Publisher	Elsevier Inc.
Pages	369-379
Number of pages	11
Volume	1-3
ISBN (Print)	9780123708779
DOIs	https://doi.org/10.1016/B978-012370877-9.00166-3
State	Published - Jan 1 2008

Keywords

Dizygotic
Empathy
Environment
Externalizing
Gene-environment correlations
Genetics
Heritability
Inhibition
Monozygotic
Temperament
Twin Language
Twins

ASJC Scopus subject areas

General Psychology

Access to Document

10.1016/B978-012370877-9.00166-3

Cite this

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abstract = "Twins occur when two fetuses share the same uterus during a pregnancy. Twins sometimes share a special language and they often perform better at school when they are allowed to be in the same classroom when they are very young. Twins may be shyer than nontwins, and they often are each other' best friends. Because there are two types of twins - monozygotic, who share 100\% of their genes, and dizygotic, who share on average 50\% of their genes - these two types can be compared to obtain estimates of the genetic and environmental influences on behaviors. Twin research has yielded much information about genetic influences on behaviors such as temperament, aggression, and shyness.",

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AU - Elam, Kit

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AB - Twins occur when two fetuses share the same uterus during a pregnancy. Twins sometimes share a special language and they often perform better at school when they are allowed to be in the same classroom when they are very young. Twins may be shyer than nontwins, and they often are each other' best friends. Because there are two types of twins - monozygotic, who share 100% of their genes, and dizygotic, who share on average 50% of their genes - these two types can be compared to obtain estimates of the genetic and environmental influences on behaviors. Twin research has yielded much information about genetic influences on behaviors such as temperament, aggression, and shyness.

KW - Dizygotic

KW - Empathy

KW - Environment

KW - Externalizing

KW - Gene-environment correlations

KW - Genetics

KW - Heritability

KW - Inhibition

KW - Monozygotic

KW - Temperament

KW - Twin Language

KW - Twins

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DO - 10.1016/B978-012370877-9.00166-3

M3 - Chapter

AN - SCOPUS:85019203733

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VL - 1-3

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BT - Encyclopedia of Infant and Early Childhood Development

PB - Elsevier Inc.

ER -

Twins

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

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