“DNA是主要的遗传物质”是指（） A．遗传物质的主要载

“DNA是主要的遗传物质”是指（）

A．遗传物质的主要载体是染色体

B．多数生物的遗传物质是DNA

C．细胞里的DNA大部分在染色体上

D．染色体在遗传中起主要作用

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“DNA是主要的遗传物质”是指（） A． 遗传物质的主要载

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“DNA是主要的遗传物质”是指（） A．遗传物质的主要载