问题
填空题 案例分析题
如图是科学家根据果蝇的遗传实验，绘制出的果蝇某一条染色体上的某些基因的位置图，请回答：
绘出果蝇的基因在染色体上位置图的第一位学者是（）
答案
参考答案：摩尔根
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如图是科学家根据果蝇的遗传实验，绘制出的果蝇某一条染色体上的某些基因的位置图，请回答：
绘出果蝇的基因在染色体上位置图的第一位学者是（）
参考答案：摩尔根
In the process of my growing up I cannot remember hearing the words ‘‘I love you” from my father．When your father never says them to you when you are a child，it gets for him to say those words as he gets older．In fact，I could not honestly remember when I had last my love to him either．I decided to my pride and make the first ．After some hesitation，in our next phone conversation I burst out the words．“Dad．．．I love you!” There was a silence at the other end and he replied，“Well，same back at ya!” I chuckled and said，“Dad，I know you love me，and when you are ，I know you will say what you want to say．’’ Fifteen minutes later my mother and nervously asked，“Paul，is everything okay?’’ A few weeks later，Dad our phone conversation with the words，“Paul，I love you．’’I was at work during this conversation and the tears were rolling down my cheeks as I “heard’’ the love．As we both sat there in tears we realized that this special moment had taken our father-son relationship to a new ． A short while after this special moment，my father escaped death following heart surgery．Many times since，I have whether l would have ever “heard” the love if I had not taken the first step and Dad had not the surgery．
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