Studies have found that identical twins are just more similar to each other than fraternal twins in all aspects. … **Identical twins who were raised apart are
almost as similar as those who were raised together
. Oscar and Jack. another example of genetic influences on behavior.
What are some discoveries from the raised apart twin study?
The Jim twins inspired the Minnesota Twins Reared Apart study, which Segal also worked on from 1982 to 1992. This research once again showed
surprising similarities in identical twins' habits, interests, intelligence, and religion
despite their separate upbringings.
Why do scientists specifically study twins who were raised apart?
Twins reared apart
help identify genetic and environmental influences on behavioral development
(Segal, 2012). … A criticism of reared-apart twin research is that co-twins are generally raised or living in similar cultures.
What was the main finding of the Minnesota study of twins reared apart?
Minnesota Study of Twins Reared Apart
He found that
an identical twin reared away from his or her co-twin seems to have about an equal chance of being similar to the co-twin in
terms of personality, interests, and attitudes as one who has been reared with his or her co-twin.
What was the primary finding of the Minnesota study of twins reared apart a fraternal twins have very similar personalities whether raised together or apart B identical twins have very similar personality when raised together but not when raised apart C identical?
What does the Minnesota Study of Twins Reared Apart show? Concordance rate for IQ between monozygotic twins reared together (MZT) was approximately 88%. Similarity rates between monozygotic twins raised apart was at
69%
.
What are the two conclusions of Bouchard's study?
The research team found that
identical twins who are reared apart had the same chance of being similar as twins who were raised together
. Bouchard and his colleagues concluded that genetic factors have a large influence on behavioral habits demonstrating the influence of the genetics on development.
Why are studies of identical twins raised in different environments extremely valuable?
Why are studies of identical twins raised in different environments extremely valuable in understanding the causes of a disease? They are extremely valuable in understanding the causes of a disease, because it
differentiates
between nature vs. nurture.
Do twins raised apart have similar personalities?
That research, which looked at identical twins who were reared apart and only met as adults, found
remarkable similarities between those virtual strangers
, suggesting that genes strongly influence aspects of our personality, intelligence and other traits that had long been thought to be mainly shaped by environment.
Why do identical twins who grew in different countries do not look the same?
Yes! Identical twins came from the same sperm and egg, so they have the same chromosomes and genes. … As identical twins get older they may look more and more different, because they
are exposed to more diverse environments
. The science of epigenetics explains how these environmental influences can affect the genes.
Who are the Jim twins?
Jim Lewis and Jim Springer
were identical twins raised apart from the age of 4 weeks.
What was the primary finding of Minnesota study of twins reared apart quizlet?
What was the primary finding of the Minnesota Study of Twins Reared Apart?
Identical twins, whether raised together or apart, have very similar personalities
. You just studied 37 terms!
What does reared apart mean?
Identical twins reared apart constitute
two individuals with the same genetic constitution (genotype) reared in two different environments
. The study of a series of such twins allows us to estimate the influence of genetic and environmental factors on measured characteristics (phenotypes) of the twins.
What did the Minnesota study of twins reared apart quizlet?
What does the Minnesota Study of Twins Reared Apart show? Concordance rate for IQ between
monozygotic twins reared
together (MZT) was approximately 88%. Similarity rates between monozygotic twins raised apart was at 69%.
What are the limitations of twin studies?
Limitations of twin studies
Results from twin studies
cannot be directly generalized to the general population
, due to lack of randomization; in addition, they are different with regard to their developmental environment, as two fetuses growing simultaneously.
Why are twin studies unethical?
The study, which has since been criticized for being unethical — for example, neither the children's biological parents nor the adopting families were informed — was an attempt to get at the central psychological questions of “nature versus nurture” and the “twinning reaction.”
What was the primary finding of the Minnesota study of twins reared apart select one a fraternal twins have very similar personalities whether raised together or apart B identical twins have very similar personality when raised together but not when raised apart?
Over 100 sets of MZT
(monozygotic – identical twins raised together) and DZT (dizygotic – fraternal twins raised together) from around the world who were reared/raised together and apart. … Similarity rates between monozygotic twins raised apart was at 69%.
