单项选择题

A．The structure of genes.
B．The transformation of medical care.
C．The completion of the human genetic map.
D．The diagnosis of diseases.
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单项选择题
A．Individual humans share 90 percent of their DNAB．Individual humans share 95 percent of their DNAC．Individual humans share 99.9 percent of their DNAD．Individual humans share 99 percent of their DNA
A．Individual humans share 90 percent of their DNA
B．Individual humans share 95 percent of their DNA
C．Individual humans share 99.9 percent of their DNA
D．Individual humans share 99 percent of their DNA
单项选择题
A．The doctor won’ t see her tomorrow.B．The doctor is busy now.C．The doctor is busy .all day today.D．The doctor will see her today.
A．The doctor won’ t see her tomorrow.
B．The doctor is busy now.
C．The doctor is busy .all day today.
D．The doctor will see her today.
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