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Differences in Nature
Differences in Nurture
5 other sections not shown
50 percent adoptive siblings adult affection average behavioral genetics biographer birth order brother Cambridge studies chance chil child childhood children growing children's development contribute covariance D. H. Lawrence depression developmental differences between siblings differences in parental differential experiences diseases due to genetic Dunn ences environmental factors epistasis evidence example extent family environment Francis Galton fraternal twins Galton genes genetic differences genetic effects genetic factors genetic influence George Eliot height and weight Henry heredity heritability identical twins impact implications important interactions interviews Leon Edel Mendel ment mother nongenetic nonshared environment nonshared experiences older siblings outcome parental treatment peer group personality phi coefficient Plomin previous chapter psychological traits psychologists Quotation resemblance responsible SATSA schizophrenia secondborn shared by siblings shared environment shared environmental sibling correlation sibling differences sibling relationship siblings growing siblings similar significance Simone de Beauvoir sister social theory tion twin study younger sibling