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【简答题】
绵羊的白色毛由显性基因(D)控制，黑色毛由隐性基因(d)控制，现有一只白色公羊与黑色母羊交配，生下了一只白色小羊和一只黑色小羊，那么，该公羊的基因组成是____，母羊的基因组成是____，白色小羊的基因组成是____，黑色小羊的基因组成是____。
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参考解析：
刷刷题刷刷变学霸
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【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology