A2 OCR Biology Clones in Nature

From the spread 2.2.1

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Emily Summers
2.2.1 Clones in Nature
Vegetative propagation
is
the
product
ion
of
new
str
uctur
es
in
an or
gani
sm that
can
grow
i
nto
ne w indi
vidual
or
g ani
sms ,
whi
ch cont
ain
the
same
genet
ic
inf
ormat
ion
as
the par
ent so
t
hey are cl
o nes.
The
D ut
ch El
m tr
ee wi
ll
r
epr
oduce
asexual
ly
w hen
the
mai
n pl
ant
i
s damaged f
or
inst
ance,
di
sease or
bur
ning.
New growth
w i
l
l
occur
as
basal
spr
out
s/r
oot
sucker
s wi
thi
n t
w o
mont
hs
of
damage
to
the
mai
n t
runk.
The
suckers
grow f
rom
meri
stem
ti
ssue
cont
ained
in
the
tr
unk,
near
t
he
ground
w her
e i
t
is
l
i
kely
that
t
he l
east
damage
occur
red.
Advantages Disadvantages
Root
sucker
s hel
p t
he
elm sp r
ead
clonal
New tr
unks
a r
e si
mp l
y cl
ones of
the
old
o ne,
pat
ch so
if
t
he ol
d t
runk
died
b ecause i
t
had no
r
esist
ance t
o a
disease nei
the r
wil
l
the
cl
ones,
as t
here
is
no geneti
c vari
ati
on
unl
ess mutat
ion
occurs.
Clone Organi
sms
carr
ying
ident
ical
genet
ic
ma t
eri
al
because
they'
re
deri
ved f
rom t
he
same DNA ,
e.
g.
natur
al
clones
w hen
a zygot
e spl
it
s,
or
asexual
r
eproduct
ion
in
a pl
ant
wi
th
r
u nner
pr
oducti
on t
o bact
eri
al
divi
si
on vi
a bi
nary
fi
ssion.
Advantages of asexual reproduction Disadvantages of asexual reproduction
Fast
:
organisms
can
take advant
a ge of
No
geneti
c var
iati
on ,
so
any g enet
ic
envi
ronmen t
al
re sour
ces w i
th
rapi
d we aknesses
w i
l
l
oc cur
in
the off
spri
ng not
r
eproducti
on good i
n a
d ynamic
e nvi
ronme nt!
Good i
f
sexual
re product
ion i
sn't
avail
ab l
e

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Emily Summers
Al
l
off
spri
n g
have
ge net
ic
inf
ormat
ion
to
sur
vive
in
that
envi
ronment…read more

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