【摘要】 遗传病遗传方式的判断是高中《生物》教材的一个重点、难点问题.遇到这类题目,应据系谱首先判断出遗传方式的显隐性,然后再进一步判断是属于常染色体遗传还是属于伴性遗传.更多还原

【Abstract】 How to judge the way of heredity on illness caused by heredity is an important and difficult problem in Senior Biology textbook. When meeting with this kind of problems, first find out the dominant or recessive inheritance acoording to the pedigree; then further judge whether it is caused by euchromosome inheritance or sex -linkage inheritance.更多还原