Identification of cry-type genesTwo pairs of universal oligonucleotide primers to probe the most conserved regions of all known cryl and cry2 genes were chosen to analyse the nucleotide sequence of 20kb DNA preliminarily.
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- 采用cry1和cry2基因的通用引物對20kb DNA上的核酸序列進(jìn)行初步分析，結果表明該片段上含有這兩類(lèi)基因，而且cry1基因的拷貝數要低于cry2基因的拷貝數。
