heterochromatin的音标：heterochromatin的英式发音音标为：[ˌhetərə'krəʊmətɪn]heterochromatin的美式发音音标为：[ˌhetərə'kroʊmətn]...

Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.异染色质大部分是由短而重复的多核苷酸序列所组成的.Chromosome material with exhibits of such behaviour is called heterochromatin.表现这种现象的染色体物质叫做异染色质.The ac...

n.异染色质...