heritability
Jencks Critique Genes may inflence outcomes through mechanisms that are modifiable: by evoking environmental responses by causing people to select into environments
#twin study twin study
sibling correlation



SNP-based heritability
HE-regression
regress phenotypic similarity of genetic similary phenotypic similarity= (y1-y2)^2 genetic similarity= GRM
GREML
| likelihood(sigma(g),sigma(e) | GRM, phenotype)= multivarite normal distribution |
LDSC
heritability= (N*beta)^2/ldscore