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[主观题]
Listen to an interview with Roy Borg, an economist, talking about the property prices and economy. Does Roy ()
提问人:网友shijiangchao
发布时间:2022-01-07
此题为判断题(对,错)。
B.卵生动物的胚胎在发育过程中,全靠卵自身所含的卵黄提供营养
C.人的胚胎着床在子宫后是通过胚胎和脐带从母体获得氧气和营养
D.卵胎生的动物,其受精卵在母体内发育时,全部由母体直接提供营养
A.Genes interact with one another.
B.Normal genes may be damaged in the process.
C.The transferred gene may have different functions in different organisms.
D.The transferred trait controlled by one gene can be transferred endlessly.
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