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下图表示果蝇的染色体组成，请据图回答： (1)A果蝇是_______性果蝇，B果蝇是______性果蝇。 (2)A有_______个染色体组，每个染色体组含______条染色体，果蝇是______倍体，对果蝇进行基因组测序，应测_______条染色体。 (3)B有________对同源染色体，_________对常染色体。 (4)若B果蝇的基因型为AaBbCcDD(不同对基因分别位于不同对的染色体上)，则基因A和基因a是______基因，其分离发生在_______，A和B是______基因，在产生配子中，含ABCD基因的配子占__________。
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