第七单元 第二章 第二节 基因在亲子代间的传递-2019-2020学年八年级下册初二生物【名师学案】(人教版)

$$ !"#$% ! &' ()(* +,-. !' !!! /<1 ! """"""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " """""""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " # ## # HINOPQR3ST ! ! cd ! -:* &jkl !" )=>!3$Å+ ! ! ,( ! % ! -)* ! D 6¯)ÇB,l\�9 % ½¾ &" #"-:* DMl9 ! ABÍÎ ! ! ¦Æ¿À:; " 6¯gYWvUë ! D= ! AB&c ! 9 -:* ×Ø " $" ! »!= ! D1N¤¨oi¸>W±WI�v 9"c ! D ! ABÍÎ ! 9MlûU " t�A! "1N¨WvU9 ! Pk ! % ! '( ! ²D�O 9 " %" )!"9U1N+ ! WvUD ! Q ! V)9 ! 6¯ÂD ! Q ! V)9 ! ¼½gYIp9W vUë " &" # 9 U 1 N + W v U · ! *' ! p ! ý , g ! +, ! T -:* ¼B " ) ! cdmnopLqr$^s '" )HIQB�R1N91N¼-$Å+ ! WvUø ² ! ¸¹�) ! ! L]/D�É9 ! �) ! ! Dt pWvU+ù= ! �* ! zÛQB�R1N " ." ¶QB%R1N:GIPQR» ! WvUeÁ a÷ ! 1[=)* ! +WvU9¢¬ ! Ð+= �ûWvUMd ! +� ! ! �ûWvUMd ! <� ! " $ ,-. " ! cd ! -:* &jkl !" ! #(!) " }Y # WvUDV)Y4¤1N1N¤+9 Ïl:; ! *IWvU9Ml"cD # ! $ *" ï$%§�c +" àÂ% -:* ," §�c% -:* -" àÂ%§�c #" ! #(!) " !" # E?·1N¤ ' WvU ' -:* %6¯ Ll91[ ! Ð+[\"c%NO!">ÿ9D # # $ *"-:* ' 6¯ +" 1N¤ ' 6¯ ," WvU ' -:* -" 1N¤ ' -:* $" ! #(!) " *+ # ~�1Y6¯ ' -:* %WvU1[9 23 ! 459D # $ $ *" tÚ -:* ¼Bë®=°±T6¯ +" tÚWvUë®=°±T -:* ," tÚWvUë®=°±T§�c¼B -" 6¯DZ=[\Çx9 -:* ×Ø $ ,-. # ! cdmnopLqr$^s %" ! #(!) " a[$ # e[Ç,%B,Ll9 % ½¾ & D # ! $ *" PQR +" R1N ," !31N -" QB &" ! #(!/ " ~$ # ã¨"!31N¨9WvUø]D U1N¨WvUø]9 # # $ *" �û +" �Ä ," FÄ -" ±Ä '" ! #(!) " !" # /9U1N¨,= $( pWvU ! Åù /9R1N%PQR+¼½,=WvU9ø]D # " $ *"$( p ' $( p +"$( p ' $( Ú ,"$( Ú ' $( Ú -"$( Ú ' $( p ." E?D#9!3$Å+WvUÀ×HÉ? ! IJ? KL~�MN - # ! $ I¤?+9QB ' R1N ' PQRy� " # # $ ?+9 %& ,W ! »!= ! ! * % 0 ,W ! ë� ! " # $ $ )HIQB # �R1N $ $Å+ ! U1N+9tp WvU+9 ! ) ! ÚzÛQB # �R1N $" # % $ PQR+9WvU*I9]¡D ! �*�,+ 1 ! �*�,<1 ! " # & $ �?+9PQR.MJKIÆÇ ! IOv~�1 N+9WvUø] - PQR ! *'  ! ! zÇ9U 1 N ! *'  ! ( Q B ! *' * ! ! R 1 N ! *' * ! &&&&&&&&&&&&&&&&&&&&&&&& ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' &&&&&&&&&&&&&&&&&&&&&&&& & & & & & & & & & & & & & & & & " !" ãa~èb;Acd ~er #; % !%er ; % QRS #; % e�~ #" !"$3P+A¦D»( " $3(23P1.f& !%&'gA¦3ChX.( # $" eri