自古以来,人们就非常注意有关婚姻与生儿育女的问题。对于多胎以及双胞胎的原因也早就发生了兴趣。双胞胎的遗传因素不仅使遗传学家感兴趣,而且对饲养专家、医生也是极其重要的。早在古希腊时期,就有人试图解释人之所以生双胞胎的原因。公元前五世纪,古希腊哲学家阿姆别多 Since ancient times, people have paid great attention to the issue of marriage and childbearing. There has also long been an interest in the causes of multiple births and twins. Genetics of twins not only make the geneticist interested, but also to raising experts, doctors are also extremely important. As early as in ancient Greece, some people tried to explain the reason why people were born twins. The fifth century BC, the ancient Greek philosopher Ambe