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基因型为aa的牛与杂种公牛表现有角杂种母牛与基因型为aa的牛表现为无角现在一对有角牛交配生下一只无角牛这种牛的性别是a．雄牛 B．雌牛 Template






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sketch 4882 Monsters University by John Davis
sketch 643 Happy Valentines
sketch 3359 &#;In love and lonely&#; by Irul Ventura
sketch 2765 Kratos by Nassim Nouri
sketch 2852 Teddy Zorka Edding Giustinianovic
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sketch 2729 Luffy by Jayme Sousa
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sketch 2457 cool beans brother
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tomski基因型为aa的牛与杂种公牛表现有角杂种母牛与基因型为aa的牛表现为无角现在一对有角牛交配生下一只无角牛这种牛的性别是a．雄牛 b．雌牛 coloring
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牛的有角和无角是一对相对性状（A、a表示相关基因），公牛、母牛的相关基因组成及性状表现如表，请回答： AA Aa A 百度教育 sketch template
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题目牛的有角和无角是一对相对性状公牛母牛的相关基因组成及性状表现如表请回答AAAaaa公牛有角有角无角母牛有角无角无角1让无角 sketch template
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基因型为AA的牛与杂种公牛表现有角杂种母牛与基因型为aa的牛表现为无角现在一对有角牛交配生下一只无角牛这种牛的性别是A．雄牛 B．雌牛 sketch template
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基因型为AA的牛与杂种公牛表现有角杂种母牛与基因型为aa的牛表现为无角现在一对有角牛交配生下一只无角牛这种牛的性别是A．雄牛 B．雌牛 sketch template
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