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【简答题】
已知玉米红色果皮对白色果皮为显性。黄色胚乳对白色胚乳为显性。今以白色果皮、白色胚乳的玉米纯合体为母本，与红色果皮、黄色胚乳的玉米纯合体杂交，试问杂交当代母本植株所结的籽粒，具有什么颜色的果皮，什么颜色的胚乳?为什么?
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皮皮学刷刷变学霸
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【简答题】在分光光度计中,常因波长范围不同而选用不同材料的容器和光源, 玻璃比色皿 和 钨灯 用于()光区。
【简答题】广西南部的_____原始崖壁画是壮族古代文化艺术精华;土家族的土家锦与“_____”并称为土家族人民的艺术之花。
【单选题】Quality assurance A . refers to the prevention of product defects B . is an auditing function that provides feedback to the project team and client about the quality of output being produced.
C.
. is the technical process that include the construction of control charts which specify acceptability limits for conforming output.
D.
. A and B.
E.
. B and
【单选题】175 Quality assurance
B.
refers to the prevention of product defects B. is an auditing function that provides feedback to the project team and client about the quality of output being produced.
C.
is the technical process that include the construction of control charts which specify acceptability limits for conforming output.
D.
A and B.
E.
B and C
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