F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交.Homozygous races do not segregate on selfing.自体受精不能分离纯合的生理小种.Objective : To study the pathogenesis of a homozygous patient with ...
F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交.Altogether, half the offspring will be homozygous at that particular locus.加在一起, 将有半数的后代在那个特定的位点上是纯合的.Homozygous races do not se...
It was soon replaced by chloroform.不久它被氯仿所代替.In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.Already the hospitals were worrying about the scarcity of quinine, calome...
他成为旧的苏联体制直言不讳的抨击者。He became an outspoken opponent of the old Soviet system.但这些直白的抨击者说,他们熟悉并避免这个陷阱.But those directly attacked say they are familiar with, and avoid, the pitfalls....
As baseball commissioner, Chandler was instrumental in making Jackie Robinson the first black player in the major leagues.杰基·罗宾逊成为职业棒球联赛中首位黑人选手，作为棒球协会总干事的钱德勒功不可没。Jackie disdained the servants that her millions could buy....
One onlooker had to be restrained by police.一个旁观者遭到了警察的制止。We cannot remain a passive onlooker to the hysteric moves of the enemies.我们不能对敌人目中无人的行动坐视不理.By the time the ambulance arrived, a crowd of onlooker had gathered.救护...