Assortative mating by education in marriage market and women ' s investment in human capital 婚姻市場的教育分層與女性人力資本投資
If similar phenotypes ( e . g . plants with similar flower shapes and color that attract the same insects ) breed together , this a positive assortative mating ; it may lead to inbreeding 如果相似的表型(具有相似的花形和花色,吸引相同的昆蟲的植物)在一起生育,這種正向選型交配可以導致近交。
Assortative mating is a nonrandom mating pattern where individuals with similar genotypes and/or phenotypes mate with one another more frequently than what would be expected under a random mating pattern. For example, it is common for individuals of similar body size to mate with one another.