Page 110 - ibdaa
P. 110

109 Ÿ-b<¡~9¡EH Ÿ-bJxƒF   ˆ*]+°( *
   kDbjD* –~|ŒD*

                           kJ4¡g•D f£•+bD*

                                               Heritability

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  š¡J ¤.*4¡D* ”¡•~zD* —bmE ¤A kpcD* *(    kJ4¡gD* f£•+bB œE         œE I¡~|B f•˜gpE f˜£B ŸD ¥wD* ‚bc-4°* –Eb†˜+
  ¤A Hb& ~{›J œJwD* f+b€g˜D* ™)*¡gD* *]K J]p-H  fŒ•gsE ib_£+ ¤A œ’DH  f+b€gE f£›£/ f£›+ ¡’•g˜J œJwD* 2*xA°& * f~6*42 ¢•<

                                         f_£cD* 4H2 ¤›jg~z- ° kJ4¡g•D f£•+bD* &* xCwDb+ xJ]mD* œEH  fŒ•gsE ib_£+

                      ¤›cgD* —bŒ:&*H ™)*¡gD* ib~6*42

                                    Twin and Adoption Studies

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f˜Gb~z˜D* obg›g~6* b’E(°b+ &* ¢•< b›G 9*xgA°* š¡JH  kJ4¡g•D $bCwD* f£•+bB ib~6*42 œE f£›gD*  wG –J]†- ™- ]BH       

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“DwD 5M *¡E 6b~6*& ¢•< œ’˜JH  A    ™ž›£+ Ÿc~{D* f/42 Š•c- œ£J2b< œJ¡1*& ¥*& ‡E H&* œ£+b€g˜D* x£= $b~7°& * ™)*¡gD* ‡E

                                               ¤›cgDb+ ™žDbŒ:*& H $b+%°* ‡E œ££†£c€D* ™ž)b›+&*H $b+%°* fF4bE

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$bCwD* œE    e4bJ bE *& ¢D(* IQ $bCwD* z£JbEH d£Db~6&°*  wG hE]sg~6* ¤gD* ib~6*4]D* x£~{-H  b˜ž†E f_£cD* ™~6bgJ
™)*¡gD* I]D f£~|s~{D* ibŒ~8 œ£+ H*& 4bcg1°* ib/42 œ£+ ‚bc-4°* –Eb†E š]sg~6* ]BH  (Jensen, 1980) b£K ›£/ l4¡J

                ŸBbA4H xDHH  kJ4¡g•D f£•+bD* 6b£D x~7bcE x~7'¡˜C f•~|Œ›E ib_£+ ¤A ™žg_~{›- h˜- œJwD* f+b€g˜D*

ˆ*]+(°*H ™)*¡gDb+ f•†g˜D* ib~6*4]D* –C f†/*x˜+        ŸBbA4H "xDHH" H (Nichols, 1978) "yD¡’£F" šbB b˜C
642H       8        ŸBbA4H xDHH  "f.*4¡D* x£.b& - ¢D(* Iy†JO ¥]<bcgD* x£’ŒgD* ¤A œJbcgD* œE bcK Jx-   " &* ¢D(* *¡~|•1H
¤A *H&b~{F bEK &*¡-     ¤D*¡pD f£<*]+(°* ,4]D* i*x~7'¡E Ix1&* f£0bF œE (Waller et al. 1993, p. 235) ŸBbA4H "xDHH"
 f£<*]+°( * f£~|s~{D* ¤A f~8bs+H  ˆ*]+(°* ¤A b;K ¡p•E bEK bž~6(* –’~{J b˜E    >   kJ4¡g•D f£•+bD* x~7'¡E bCH  f•~|Œ›E ib_£+

                                        A  >   f+b€g˜D* x£= ™)*¡gD* œ£+ ‚bc-4°* –Eb†E bC –+b˜Db+H

™/xg- ° ib.4¡˜D* °& “D3H  “influence of genes”" f.*4¡D* x.*& " ,4bc< š*]sg~6* ]›< 4wpD* œE b›D ]+ °H
f_£cD* bž†E –<bŒg- f•~z•~6 –’~{-H  —b†A&°* 2H24 œE f•~z•~6 ¢<]J bE H*&  ”¡•~zD* i°b˜g0* xA¡- ¤G –+  ”¡•~6 ¢D(* ,x~7bcE
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¡˜›D* bž›£+ l]pJ  b£F2H b£•< *2K H]0 ‡~¦- f.*4¡D* &* –˜gp˜D* œE"  —¡J k£0 f›£†E 2H]0 ¤A œ’DH –£cD* *wG œE
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f£˜›gD œ’J ™D (*  ¤<*]+°( * $*2&ÉD ™G2*]<*( H 2*xA&°* I¡g~zE ‡A4 –/&* œE x£j’D* –†ŒJ &* ‡£€g~zJ ™£•†gD* &* ¡G  b›cgF *&

                                                                    8  "bž-*3 f£<*]+(°* ™ž-*4]B

f+b€g˜D* ™)*¡gD* 4b- ¤gD* ib~6*4]D* ¤A  ÉK j˜A  ,]J]< f~¦Eb= ib~9*xgA* ¤›cgD* —bŒ:&*H ™)*¡gD* ib~6*42 rx€- b˜C
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