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9 Cards in this Set

  • Front
  • Back

Nature and Nurture

Behavioral genetics is the study of development and interaction between nature (heredity) and nurture (environment).

Identical Twins

Share 100% of the genetic code.


They are one fertilized egg which has duplicated itself, or monozygotic (MZ) twins.

Fraternal Twins

Share about 50% of their genetic code.


There are two eggs fertilized by different sperm. They are dizygotic (Dz) twins.

Epigenetics

The study of changes in gene function that do not involve changes in DNA sequence.

Temperament

Behavioral characteristics established at birth.

Three Temperament Characteristics

·Emotionality


·Activity


·Sociability

Infant Temperaments

·Easy 40%


·Difficult 10%

Fetal Alcohol Syndrome

·Number one cause of intellectual disability in the U.S


·Caused by pregnant women drinking alcohol


·Result in PERMANENT cognitive and physical deformities

3 Parenting Styles

Authoritarian (strict)


Authoritative (middle)


Permissive (lenient)