Definify.com
Webster 1913 Edition
Monogenesis
Monˊo-gen′e-sis
,Noun.
[
Mono-
+ genesis
.] 1.
Oneness of origin; esp.
(Biol.)
, development of all beings in the universe from a single cell; – opposed to polygenesis
. Called also monism
. Dana.
Haeckel.
2.
(Biol.)
That form of reproduction which requires but one parent, as in reproduction by fission or in the formation of buds, etc., which drop off and form new individuals; asexual reproduction.
Haeckel.
3.
(Biol.)
The direct development of an embryo, without metamorphosis, into an organism similar to the parent organism; – opposed to
metagenesis
. E. van Beneden.