Most of the chlorophyll deletion occurred in M1 were belonged to somatic mutation or caused by radiation injury so that they usually were not inheritable.
在M_1所产生的叶绿素缺失中，大多数属于体细胞突变，或是由于辐射损伤所致，一般是不能遗传的；
2
Albino seedling is the typical chlorophyll - deficient mutation in plants.