Social scientists who study the family have long been interested in the question "Who marries whom?" On one level, the study of mate selection is conducted from the perspective of family as a social institution. Emphasis is placed on the...

Assortative mating (also called assortative pairing) takes place when sexually reproducing organisms tend to mate with individuals that are like themselves in some respect (positive assortative mating) or dissimilar (negative assortative mating). In...

Assortative mating can increase additive variance ([V.sub.A]) and, consequently, selection response. Marker-based assortative mating (MAM)--the mating of individuals that have similar marker genotypes--has not been studied. My objectives in this simulation study were to (i) compare the selection response associated with MAM, phenotypic assortative...

PAREENA G. LAWRENCE (*) This paper uses a conditional logit model to analyze empirically how individuals sort themselves through marriage into households in India and the US. The results support positive assortative mating of spouses with respect to age and schooling. We...

Why are so many people fat? Scientists have come up with some novel excuses, including air conditioning, lack of sleep, fewer smokers, and more sex among obese people, which can produce chubby kids. Twinkies aren't the only things weighing America...