Genes Flashcards
1
Q
genotype
A
genetic complement, coded in DNA
2
Q
Phenotype
A
outward manifestation of individual
3
Q
Heritability
A
phenotypic variance due to genetic differences
4
Q
Galton (1865)
A
- boys adopted by eminent men raised in privilege less likely to be eminent
- intelligence genetically determined and fixed at birth
5
Q
Early animal research
A
tolman and tyron bred two strains of rats
maze bright= ran quick
maze dull= slower in maze
6
Q
3 main methods
A
- family
- twin
- adoption
7
Q
Family studies
A
1st degree: parents, siblings 50%
2nd degree: grandparents, aunts 25%
3rd degree: great relatuves 12.5%
8
Q
twin studies
A
monozygotic or identical: identical genotype, 100% genetic similarity
dizygotic or fraternal twins: no more alike genetically, 50% genetic similarity