B . Fraternal Twins Fetuses may be of different sex.异卵双胞胎可能性别不同.The resulting fetuses consisted of either mostly paternally or mostly maternally expressed genes.这样产生的胎儿要么主要是父方的基因表达,要么主要是母方的基因表达.Results CCD and TCD of Nor...
DNA was extracted from fetuses at mid - gestation, about 10 days past conception.DNA从受孕大约10天后的 中期 妊娠胚胎中提取.Brucellosis is a disease that causes fetuses to abort in cattle.普鲁士菌病是一种可以导致牲畜胎儿夭折的疾病.B . Fraternal Twins Fetuses ...