វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Mutation
1.
(LITERARY)
បរិវន្ដន៍
noun
1.
(
change
or
alteration
in
form
, a
mutant
)
ការប្ដូរ, ការផ្លាស់ប្ដូរ
ឃ្លាដែលទាក់ទង
bacterial mutation
-
កំឡាយភេទនៃមេរោគ, ការប្រែរូបធាតុនៃមេរោគ
ENGLISH MEANING
noun
1.
Change
;
alteration
,
either
in
form
or
qualities
.
2.
Gradual
definitely
tending
variation
,
such
as
may
be
observed
in a
group
of
organisms
in the
fossils
of
successive
geological
levels
.
3.
As
now
employed
(
first
by de
Vries
), a
sudden
variation
(the
offspring
differing
from
its
parents
in
some
well-marked
character
or
characters
) as
distinguished
from a
gradual
variations
in
which
the
new
characters
become
fully
developed
only
in the
course
of
many
generations
. The
occurrence
of mutations, and the
hereditary
transmission
,
under
some
conditions
, of the
characters
so
appearing
, are
well-established
facts
;
whether
the
process
has
played
an
important
part
in the
evolution
of the
existing
species
and
other
groups
of
organisms
is a
disputed
question
.
4.
The
result
of the
above
process
; a
suddenly
produced
variation
.