Definitionen
1.NounThe theory that mankind originated with a single ancestor or ancestral couple.
2.NounThe theory that all languages, or a particular set of languages, originated from a single source.
3.NounDevelopment of the ovum from a parent like itself.
Asexual/nonsexual reproduction, which involves only one parent.
4.NounAsexual/nonsexual reproduction, which involves only one parent.
5.NounThe emergence from a single cause or origin.