标记基因的位置效应和干扰因素对这一期望值的影响是很小的,而染色体的长度对期望方差值影响很大。
The position effects of mark gene and other factors have a little influences on the expect value, but the chromosome length have much influences on it.
其作用水平主要有三种:位置效应、转录水平的基因沉默和转录后水平的基因沉默。
The positions where transgene silencing occurs mainly are inserting position? transcriptional gene silencing and posttranscriptional gene silencing.
其作用水平主要有三种:位置效应、转录水平的基因沉默和转录后水平的基因沉默。
The positions where transgene silencing occurs mainly are inserting position? transcriptional gene silencing and posttranscriptional gene silencing.
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