19.ใบความรู้เรื่องการสืบพันธุ์ของสัตว์

การสืบพนั ธุ์ของสตั ว์

146 uud zt I ::uuf,r.ri'u{uaunr:roirpr6ula irivrur rdu 5

a{ t?rl anufl.rsray{1sLLmn01{01fla{ L}.ll]lj1Ft o0 }Jn 1: dlJ}Jusrrae rn 1i to5 ry lau [m
i3.:afarf-,inr,1ntfroki'jrosrilua'o'i frr y54 o-Ft r-fdr-ti0tr{aeirAuxFil{frn1:6uriuri (reproduction)

rfJrortfrr!s";ruruatrrfarfr-ioa[]-fi.d-1.-6arni-u ;hzuahlfinr:riruyrooa-nMuyyn{fruonti orniuyio urilr.}iiuan

n1:flull1J0t it!uan19fusd'nrut0.ta{l.]t )o LuaT1.l't:flo''tiwIt"S Li Lo u0na1ntfi{rr-fi!n1flaEru

(developmenr) uau nlil6uIfl (srowrh) naootjrrfrisrdl urirfio r{]u6'rr6l,iu ourdrriiur:r

J dda d I . Ya n15ruJauuat111t0.irta6,iirfloy'.t14u":1rra 1y
Lour{aat0{a.ix.r1J'l9l n15rl,u.t0'ru'tuLravtu'ro
51l.tr.i

rra11\sru1r!u:31ruFl1{ 6l Lu51{n'tu fl't5duyiuSuasnltlosfutglu lgtgo.tainiun:vuaunr:odrl [:

21.1 n1:eu?au51Jo{ da?

n154AUvU5.1r0{6F- l?1a.l.l11{n1:6UlrtUSrLUU LU0"t6Urltfl UAsn1iA!nU5ltuU0'tr,]u-[1rfl {){e-io,)t
6XULUrUtJnltAU USLtUUOlFlUrl'{f]

2 1. 1. 1 nr:dur{utiuuutriarrYuruo

nlseufljutiuuulriolFTurflFt (asexual reproduct ion) rflunr:f,u,luddtrifinr::2r.lfiuro I

L{add!{uo ain'irrrsfroovfrnr:ur-il rs,a6i uultillvrfralirhllda nqilu?uurn'turxa16'1.J 6n{sfi
anu6uvLtaut0ua11l.tl-ru0fl::t.]liJ[14u0ufl!4fi']1/1.tlyrrnv1otuoa i di tr v 2 tu

tJ.tu]0aiLt?oa0]Jt au1-JLruaiL1l010a{

anrylllJsionlio'1:{fiinro r :yr1n:ro :#n{rir,16 nr:f;rvliuduuttriord'urnnrvnulua-n.idfi
O to',tOU',,t.tFt'0" !
In:{d:1{51{n1U LttlJUl,01-J
L1lL

a '[oo:raur:nf,ryr'utiloanr:uonrario (budding) o-r;il zt. t lo un q'lrra;iro{'[Eoi.r

osl'nr:urirrqaeil6r{lurario (uua) ornlYuoyyiierurrflusr-?'tyrififia-nuruvryfiousr-rrdl

rurifi rurorSnn'jr siorrylioovuaooono1n6"lrA LLfi2roiryrGllorriohJ

a oonlifls ra!1ruqfArvndsaur:nfirniudlounrt[ .ruunct-e (fission) o".11 2 I .2 filovur-il
, - !-
2 Lnd tFUnflU
L1lU9l1Llr}.r 0?111]1JU10

a rnruriuaur:nf,tti'uflounr:.ron'[r,rri (reseneration) 6'r;rJ zt.g rdodudaurol

ir{n1utfrqnr:y'nu5otlaoon (fragmentation) frudrufitrooonl osatrr:n

roirgu6dnrfl un'":1rail16' uravor'r16laur:n.rondu;irulu:"irryouyudrufi rrooon'[6

a nr:f; r.Lmiuti6'runrittfl nfi ou6nril.rornnr:ufi uunm-rodrll:

z d- o?<vdall.]n1:du}/u5ttlilJLuo'tflut n tuoLoon!1{ 0{unfi 10u't{

601lJUd.:Id:rJn r:dou?r4u']61a6rlra![rn [u tau

t22YtU1 $! 5 u fi zl I ruuueuriu{*aunr:roiryr6uln 147

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:rJ 21.3 nr:ronlrarirosnarurGs

@ a?1 ttl,t'.l[ntr

sLouv-txc Ll,Jl d{-}-J- lJl9rLtaatoul n't:duvluqtt!! L].r 01au111fl t1,u ud9tdufluSo'tunl5Lrqnuuo

T'{',',1:1l.Jt{ul.t UAV0v}JUlA!flU501Un15UlJ.i ttufl9l1 U0n{tnU3A.{1r.tafl-?-rl tflAA tOU?U',t.tlJUO

rriu urofi6uuavlm:rfi16ur finalnlunr:rirayooar:r,r'uqn::lvr'nf;rurYunr:6uniuti

tuuuord't,tv'{o Toufinr:oiurirYuuasuanu.Jduuar:vliuqn::rriun'iraouornriu (conjusation)

'hIn:f,':rn6sa frrluri
rudo:i':rndsa
u'troaua ua a

I Ia o

/o

nlSUAnfiUOta{Udrl er1,:luri

nr:uti':ugn6'rto.rr,{r:rfi rduu

aardud.rrnilnr:aouivurqraniuavrnnlula6 r-

144 u fi2l I rrule!fi!{uavnr:roBrlr6uln irivrar rdl s

21.1.2 n'r:6luYiusuuuolfturlrFl
n1ld-Ul'{-U:qUUUo16Ult46 (sexual reproduction) tlJunliaA!v-,luc0r- n15:1tlu2[naUAton

rtaeidurdurirnerl (male eamete) r,lioarti{l (sperm) rTlrsadf,lvliu{rnorfiu (female samete)

ratorqarilti (ege cell) Gunn:rurunr:d'jrn1flJAflu3 (fertilization) d'nifinr:airltoaaifur{uti

t "Lr.]-[0u^ d ) sL- o[{Jataa6uv-tuqavJ lr!1Jr[0 a0uo (haploid: n) $J]or-nonl:uldu0

Lounl:tt!{r{aaL[u! fl{0v

ovldrfluls1nn rzygorer dr{luGraouri (diploid: 2n) ornrfultlnsrovroiry16uloriJursuuilo
J a1r1506arll'{-iu{1dftir
(embryo) !si.rurul:vtrn:rio'[rJ16 6'.rgil z t .a
ruavr,[JuoT':u6riufi

a-

h1vrfra 16rriia andiLsl
t..);r
o
i"rl',1 I
ltrinor
6r,raosri (zn) I Ia lugt': L
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rJfiauB hlo€a

,o r{a;i1{

I

6iu:

p zr.n nr:ifu rhrriuuuorfluorauarnr:ro?ryriulntord*i

t'1,r5'rvrua Lo [un1:d111ru5ttuuo1F1u- Lv{60<{rvLoanJva-anu vual nvalu Ltavuo nfl1.101n
n'tluuarfrvaluyrL!-aolJiuu-al .,iararl,0fllt0ql0, olj0.tdo-x.?,uo^uuYou'1,{
vi0uauuri {
Li

anrriud.:ratrnr:aouiuuraraor{uavrvnIuIa6

irivrur rd! s uvfi z t I :;uuiuyrluduasnr:roBrurirln 149

n1:ilAau3ra{d-o{o1orfion1u!ony6on1ului1{nlurara-o'5rylorfiu nrtrJfiauBnruuon
(external fertilization) rirulrar!ovufiolua-n'ifiord'uluritatorirrrudfinrudu uiu rJareiaulr,lr!

n! uav$iuflura louLqa6iA!yriusouQnil6iouoon!onil{n1u 6{fio{fialtLdurfiurllodartJir:ov
61!.r1rn'jiulrlulltaaihirdorfionr:rJfrauS16 o'r;rJ 21.5 eirunr:rJfiauBnlutu (inrernal

fertilization) ariJirovqnr.Jeiounrulu:vuuf,u,t-u{to{rfl6riurayrfronr:rJflauBnru'luirrnra
1ro.illrFl Liu 6',r;r.J z t.o

t1'{F]rt.l U e rciadld

tt{fltJ reJaaild a rtlis] I
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g z r.5 nrrJfrauBnrauon 5rJ 21.6 n15rjidl3n1o'tu

ai-uxuf)rvdii{rsJaaduliufuord'fiirilnri6od'ruflcuasd's}irnnrfiu6oi.:ki #srideulranioyfi
0?ulvduYiuStru nr1,{60uauasFl rr9rr.raa?!'r.ruuo o'-lu'led^u1,'-tu5iyYl{d0 iry,{aounlu Luo?Lou')

Gun'jr nvwttt thermaphrodite) ulu 11a'ru1fiu oui11n uravlf,rdou6u otir.:1:frnunr:r..ralnYuti

:y'ir{<.,1 z 6'r oigr"eadrfl ut#rdou6u

lo ulr-rkl ov rfl u nriera dlu

Latoouou 2 Frl0uounaalu laa!y.tinu toi:lj

ar!51]110 to't14u{0struun!fl {Lnudruit.]1to{onm?rray n15

uanru,Jauud-r,d!: n-u o- .r:rl 2 I.7 6rll:x]oyfinu"lu.Le !Lnly)ln.iLnL

1 ua Lu I l.r tJ 0 { ttoa v 0r i 1 n uu Ld t fi 0 u ou 0 s ttu fl 0 0 n 0 1 fl n I

oiorr6n z-3 iu lf; 16or,6uoc airrnr#rLrsiadlduay!dou m'ruvri':fr fi n r:ua nriletlud Liir]
IdLOOUO- 1]rnAJ0Ull.bL-vn{vr]L{aA .- :rJ 21.7 nr:crauliuirorlfiraouBu
L{JAA LtfiO.t Llr Lll:1iff L-l rl5ltvJr

o{tnudtu5l] L[d']0u Lno n1iufla!0 Y ., u n{yid
01'11-Ju0e!a0

r6rrSlooonuonsr-:

daxnl{ dl 3Jn1t6luflu5[14 aufi5ortflnq1{nuog'1.: [t uayfl156luy\|u6[toauuuurJFl?1

{:#l yr'udriu n r:o'r ts 6? ns a q *'n{o Ei r

dnluudn!fi5tun"1 rauinuraran{uavryaIuIaE

150 ) 2t I :;uuiu-riu-r.iunrnr:roBqr6uln t??Ilu.t tar 5

unfi

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u5{..[1Jut$Ja{.vJ0'tF-IUi? n1-lLU1JnS 4- di'
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L1t lo

s-Jt'r6uosuc|,uZ .:mul"irvierfArrarotar: 1oufiqlrn6erufi oorn
[t ,i

n1:urdud:u14?'r.iaLu:t.]Ltas Lgaa [LF] { tllfl zutno01n

a ,iu d u- n1i!fl6UEuAv rUU rr81',{40 UO m U n

[{JAA Lrvr 13.] LO tlJ
n5v!'tun153u,?1 1i,LutotulJ6 (parthenogenesis) ttav !
X t1,\]Fel?J0v.yl1l.'tlu'ryt .:11't.:vl fu'l H'1.i1U iJ.t Ivlf]u
.t a!1,-!u.-uin!r.l{u1{v,l (2n) (n)
12n)

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os{rsd.rFi
f,r.r6uriorL!ia aBuru uavunor-':odr.lnr:f;uvriutiruuutriorn-urrrnuavnlieufiudtL!u

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d!nuljotaLnu) xnu-nltau?,{u5lJ0.iao-xv<aAu L0 Lou:?1J:2ulJo!a LuUlu[ouo0 [Uu
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- In:rairrcroq:v!rdufi'u!1t,i - qirurue ndrfi oluuriaviu
- llqmniirnli{uer.ra v,{uo - 01uljU1J0.iaa1 uavt?, .r0'ruvJrd[u, u?-uto:-ruvius

- ?lon5{?srro{an?

z. rjrrauosjolaluciuGuu uautiliuufi uuiunr:f;rnTuijtorfi'n'itfrorir.r 1

olnl lunont:u
trGt d- oidr;-rn liduvruqr[lJlJ Lr.r01,{u[1,\J0 LLa v n 1:duviuD ttuu 01rl u tl"tF]l.l1J0 Lo tlJruu tlas

lro Ld u rlJ :uu nuo u1.i L5

trEt-<Jaa-.f-l-iorlirv nlrUlau0tlull0nuasnr:UlauDn'tu Lulrnlt0'ti.tlj'tFltud.:uxoa0r.t tlrrJ0u

r,lio unnsir.: n'uo ei rrt:

flr';r,J-t)---<Aa n1:ulauon'tutu nluluttjuav
rrorUSuurruuflsrivrilnliU0duDnluu0nrl!6i9l1vt

nlroq]rooro{CnunnrirrrYuodrfl: trilvl oto

f, nrdud{ra3rln'ridouivrraran{uasrnnIuIa6

i':irur rdr s uri zt I ::utfiuriuduarnr:roBrgrfir.rln t5t

ornion::r ovrr1u16'irnr:fiuyriudror6'rr'iusiayrlfrofinrtruolnril{fiu Toud'n'in{lu6urri'u

frnr:fiur,l'uS[u:r.JurlfrnAfirvuniu- a- hial:"i,farn:vonaiuudlfrnltd-ulri-ufi<l"{,ruu!oroiumauavtriord'upro

dluafi?t]n:sOn6UyA{ n15drJ1',lu6tt1l1lo1flUrl'{fltrav O',tU?sLltFlttunn oUnUaVo')

#n'5nria-fiorn-ulur,r rtiu rlar eirutynirdoairr rflad'lduasa rt]iil usrov air rF ur oo nrr

uldl-t5u0no2 aalavLl1-l.J13.J',tdvtyu!n 't?ruu1n15,.r101FlulJuun Lto -a ""

n15fidl]1^lu5 Lul.J1ltay tn9l

n15UldLJ5n1UU0n n1:1',r.: ," 3 * "LUayJllJllrtaU d,?1.Jf-l611"rAi 0 UO A 1U Lre yUn IUaU. fl-A?f<l].).-1

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1'r01ru'rfl'r51r10'r6u1tu1rn }J fl'r 51,{ elJu101u 1y < u ai 1! 15 n!a0uat!5! LU Ly[1,'JFlrtJu LoLLastno
dul,{uo yld

n1:uduDnlutou rrav?1.r rLl,jJlllu.-du5ua1!uufl LauJ'1u Lu Ltr.tlJ0.r[ya?aor.n 0uror.]u: L0rray [tx.r

t!40nfilltl'{OUO {nUt01JU: L0 dsl'l tAU lAflO'lUU1Utul.]n15!ld1]fin1U LU t01]UiL0u05QLU OOn

t6'irar:orur:ornru"ir.l1uy1{:n Lravd'rulyniovaonanrfl ugr''r

n15A!1^JU0110{flA10s tn- O3tU 4eY Z - LOU0s tn- OUnt06- md?d}]n1:t0:Q[r]! LFrrtdv

LO1-JU1JUn!UA1U!0nU

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, .j x- t u.rLrvi0-an::tutngu11,'r1:'rd

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told'm'iafluuaunrn

nr:fruu"u{urrkio n 15 dU tl U 6 LLlr U O'16I tVlfl

d n''ruu6 ':rd5u n'r5aou2 11ul FI''t da5 ltas [vlo tu tau