第20章 第3节 性状遗传有一定的规律性-2020-2021学年八年级上册初二生物【名师学案】(北师大版)

"& WL $ �R $ ²ÿ $ ª¬ $ �� $ ©� $#&35$)* 6$3$$& �R $ ¾G $ ÷ø� $%& 34 $  N $ ��� (�bô $&& '(=� $ 56 <=>; !&-$"&-$#&($$&'$%&!$&&'$'&!$(&'$)&!$ !*&($!!&-$!"&($!#&-$!$&'$!%& D=8%9'( =�ÜaiMS��Q% # ��QL'(=�9%= $ !&&!%" ��Q $ ��� $!)" �� !'& ÷ø $ ¡ª¢ ( * 5 $ Egabklm/noE 89:; !& £¤� $ ¥¦4B $"& ÷ø $ �R $ Ó:÷ø $ [( [( $ §( $ §( $#& ÷ø¨ $ bô¨ $ ÷ø¨ $$& æ Yg $ YÐ $ g�� $%& Û"8 $ �, $ ©, $&& �R Û"8 $ YÐ $ g�� $'& CÐ ! DE�� "$ CÐ <=>; !&($"&'$#&!$$&!$%&($&&!$'&!$(&($)&!$ !*&-$!!&-$!"&'$!#&!%" ÷ø $ Õ'(±1 $!)"%) !*",,$-,$!$&!%"35$!)" YÐ $ gÐ $)*$ W© $ !*" æYI7 $ æYg $)*$,&0$!3" ÐÑ $ 8�� $ 35$!#" ªL $ �� $ ©� $ �©�� ( 3 5 $ Ep1Epqm 89:; !& _Û"8 $ (Û"8 $ _Û"8 $ (« $ (Û"8 $ "&=>$==$ ª $)) R_Û"8 ?=>$)) R_Û"8 ? ==$)) W_Û"8 ?=$)) W_Û"8 ?>$)) W_Û "8 ?=$#&=$=$>$ ¾Ó $%@%$ ¬ð $ «ð $ æY g <=>; !&'$"&-$#&!$$&'$%&'$&&-$'&'$(&'$)&!$ !*&!$!!&($!"&'$!#&!$!$&-$!%&!%" «( $ ¬( %$=$>$> Û"8j = Û"8¬ # \ > Û"8®Þ�W ïr $!)" � $!*" ¬ = Û"89YÐ $ ¬ > Û"89 YÐ $%$%$= Û"8 $!3")$% ( # 5 $ ab%rs 89:; !& ÷ø�� $ 56 $"& Õ'(9±1 $ }Õ'(9±1 Õ'(9±1 $ '(=� $#& '(=� $ 56WX $& '(=� $%& Õ'( <=>; !&'$"&!$#&($$&'$%&($&&($'&'$(&'$)&($ !*&-$!!&-$!"&!$!#&!%" '([±1 $ ±1 $ _� $ !)" ÙÒ $!*" N # øûF0D=9±1ZL'(=�Ð D±)+ø9±1 $ $!3" �$Ñ0 # )*=�­î± 1 # ®÷øD=Ó $ ! ¯4F° " ( 5 5 $ abt1UIuv 89:; !& '( $ ^'( $ CÐ $"& TU±² $ TÖ&� $ Yr s³ $#& ´±�µ $ û $$& '(¶5 $ '(* $ Ø· $ DÑ $ ¸L¦¹ $ ºð <=>; !&($"&-$#&($$&'$%&-$&&($'&!$(&($)&-$ !*&($!!&-$!"&($!#&!%" '( $!)"  ø ) ^�7Í »Ð93ؼSàµ3Ø $ FTÕN95G9½Îf� ¾¿�WM§(ïL÷ø # FT3Ø~òk'(L9Ð Lfªª`; $ =À ) Ø]��'ñ'(ÁÂ[f]à ç # _vÿÄòk'(LÐLf $ $!$&!%" }ÅG $ $ !)" àµÆ� # ÇÆ÷øõ55G9½Î # øyȹ¾G ïL÷ø9ÕN(j:ª $ ìö # àµ3ØkDЬ9' (LÛLfä00;S^àµ3ØkDЬ9'(LÛ Lf $ $!%&!%"00$!)"!0$!0$!*" �©��9§ " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( %49% $$ !"#$%&' !!" ()(* +,-. ! ' , $ Z#üý�34(56Z %&%/-# ¨ # 1HY~"P1 $$$$ TU $$$$ £± # C?ñÊMU L " (& ÊMPA. # ÒU>?rhQS#àÁ $$$$ Z[# " ÒZÂÌ)* #Ð?3)EÂ<r $$$$ m3# " 3iAÐ?< # B�45#Ð? Û. $$$$" jÒÐ?<�F;��#Ð?Z[#ÒU+,³a> ? # k�Ð?Û.