the debate over the effects of heredity and environment有关遗传与环境影响的辩论Radiation has a strong effect on the heredity of fruit flies.射线对于果蝇的遗传产生强烈的作用.Some diseases are present by heredity.有些病是遗传的结果....
the debate over the effects of heredity and environment有关遗传与环境影响的辩论The moral characters of men are formed not by heredity but by environment...人的道德品质不是遗传的，而是由环境塑造而成。Heredity is not a factor in causing the cancer.这种癌症和遗传无...