In some genes, there are mutation （突变） hotspots （热点） which may contribute a lot to the disease pathogenicity （致病性） .

aCGH (Array Comparative Genomic Hybridization 阵列比较基因组杂交技术 ) is a method of testing for SN P (Single Nucleotide Variation)。 点击查看答案

According to current researches，Single nucleotide variants（SNV，单核苷酸变异分析） and Insertion–deletion variants（indels） are easier to be interpreted（解释） than other types of variants（变异）. 点击查看答案