4a. Genes; Twins and adoption studies Flashcards
the study of the relative power and limits of genetic and environmental influences on behavior
behavior geneticist
the genetic transfer of characteristics from parents to offspring
heredity
threadlike structures of DNA molecules that contain genes
chromosome
a complex molecule containing the genetic information that makes up the chromosomes
DNA
the biochemical units of heredity that make up the chromosome; small segments of DNA capable of synthesizing proteins
genes
the complete instructions for making an organism, consisting of all the genetic material in that organism’s chromosomes
genome
there is no single gene that predicts your smarts, sexual orientation, or personality. true or false
TRUE
put the following cell structure in order from smallest to largest: nucleus, gene, chromosome
gene, chromosome, nucleus
are developed from a single fertilized egg that splits
identical twins
other term for identical twins
monozygotic twins
identical twins are NOT genetically identical. TRUE OR FALSE
FALSE. (they are identical)
identical twins don’t have the same number of copies of those genes repeated within their genome. TRUE OR FALSE
TRUE
are developed from two separate fertilized eggs
fraternal twins
other term for fraternal twins
dizygotic twins
in which aspects do identical twins are more alike? there are 5 examples.
openness, conscientiousness, agreeableness, extraversion, and neuroticism
do genes influence behaviors or not?
Yes they do influence behaviors
In explaining individual differences, genes matter. TRUE OR FALSE
true
Separated fraternal twins do not exhibit similarities comparable to those of separated identical twins. TRUE OR FALSE
TRUE
who are the genetic relatives
biological parents and siblings
who are the environmental relatives
adoptive parents and siblings
people who have been adopted are more similar to their biological parents than their adoptive parents. TRUE OR FALSE
TRUE
According to studies, biological parents are more caring than adoptive parents. TRUE OR FALSE
FALSE (adoptive parents are shown to be more caring)
do fraternal twins have different genes? TRUE OR FALSE
true
