monozygotic, proband, monozygotic twin, assortative mating, homozygosity, atopic, leydig cell, subthreshold, dehydrogenases, hexose, mosaicism, heterozygosity, metaplasia, cytochrome, homologous chromosomes, spinous, transmembrane, penetrance, relatedness, isoenzymes, immunoglobulin g, oligosaccharide, gyrus, consanguineous, affective disorder, granulocyte, autosomes, centrioles, hypersomnia, purkinje cell, subfamilies, isomerase, enkephalin, pyrimidines, flavin, heterozygote, serum albumin, monocytic, cellularity, mannose, cytidine, eicosanoid, hmg, rostral, aminotransferase, mononuclear, saccharide, prairie vole, regression coefficient, triiodothyronine, univariate, hydrolase, umbilical vein, anterior pituitary, gametophyte, homologies, laterality, unipolar depression, homozygote, adenoidectomy, alleles, autosomal recessive disease, paradoxus, mineralocorticoid, hepatoma, osteoid, detrusor, imipramine, fru, osteochondroma, thiol, karyotype, chordate, orfs, parkinsonism, estrone, enolase, thyrotropin, carboxylate, lateralisation, osteoblast, erythrocytes, stoichiometry, striated muscle, cortices, nephron, plexiform, rhesus, saccharomyces, dimorphism, adrenal cortex, adduct, myometrium, intron, immunoreactivity, monoamine, generalized epilepsy, eysenck, ontogeny, anion, isoleucine, dyad, subgroups, subsamples, couples, clients, groups, partners, populations, relationships, subpopulations, group, participants, defendants, gangs, interviewers, males, neighborhoods, offenders, perceivers, statuses