Fluorescence in situ hybridization (FISH) is an effective and accurate molecular cytogenetic tool for mapping specific DNA sequences on chromosomes, interphase nuclei and DNA fibers.

• 摘要荧光原位杂交(FISH)是在染色体、间期核和DNA纤维上定位特定DNA序列的一种有效而精确的分子细胞遗传学方法。