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Psych Ch. 3 UMW

chapter 3 question answers

QuestionAnswer
Genes basic units of heredity, made up of ATCG
Chromosomes rod-shaped structures found in the center of every cell of body
DNA deoxyribonucleic acid, transfers genetic characteristics by way of coded instructions
Unlock human genome researchers have identified the sequence of DNA units, but don’t know what each gene means
Heritability proportion of total variance in a trait that is due to genetic variation within a group
Nature encoded in genes
Nurture due to environment
Example of combined nature & nurture 5-HTT, people with 2 shorts are more at risk for depression, but interacts with traumatic events
Example of combined nature & nurture MAO(A), if you have this gene boys are more at risk for anti-social behavior, if they have abused childhood
Concordance rate percentage that other twin has trait
Heritability formula (MZc – DZc)x 2
3 heritability rules 1. Do not apply to individuals only groups, 2. Only particular groups in same env’t, 3. Even things highly heritable can be changed
Critical period born with ability to learn language, but after a certain point can’t develop them
Innate capacity that naturally takes in language without being talked to, said by Noam Chomsky
5 things proving language learning 1. Children of different cultures learn language the same way, 2. Children say things their parents don’t, 3. Adults don’t correct people’s syntax, 4. Profoundly retarded children learn language, 5. Infants understand sentence structure
Sociobiology our personalities come from the fact that we’ve evolved
Proband person serving as starting point for a genetic study of a family
Original language theory people thought children learned language from imitating adults
Universal sense of grammar brains are sensitive to core features of languages (nouns &verbs)
Criticism to sociobiology actual behavior, what people say vs. what they do, convenience vs. representative samples
Created by: lfalkens
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