Tài liệu Các Chuyên Đề Bồi Dưỡng HSG Sinh Học Lớp 9. Phân loại: Phổ thông > Sinh > Lớp 9. Chủ đề: Sinh Học, Sinh Học 9. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

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.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1">T&#192;I LI&#7878;U B&#7890;I D&#431;&#7904;NG H&#7884;C SINH GI&#7886;I M&#212;N SINH H&#7884;C 9<o:p></o:p>CH&#431;&#416;NG 1. MEN &#272;EN V&#192; DI TRUY&#7872;N H&#7884;C<o:p></o:p>1. Di truy&#7873;n h&#7885;c<o:p></o:p>-Di truy&#7873;n l&#224; hi&#7879;n t&#432;&#7907;ng truy&#7873;n &#273;&#7841;t c&#225;c t&#237;nh tr&#7841;ng &nbsp;c&#7911;a b&#7889; m&#7865;, t&#7893; ti&#234;n cho c&#225;c th&#7871; h&#7879; con ch&#225;u<o:p></o:p>-Bi&#7871;n d&#7883; l&#224; hi&#7879;n t&#432;&#7907;ng con sinh ra kh&#225;c b&#7889; m&#7865; v&#224; kh&#225;c nhau v&#7873; nhi&#7873;u chi ti&#7871;t.<o:p></o:p>-M&#7889;i quan h&#7879; gi&#7919;a di truy&#7873;n v&#224; bi&#7871;n d&#7883;: L&#224; 2 hi&#7879;n t&#432;&#7907;ng song song g&#7855;n li&#7873;n v&#7899;i qu&#225; tr&#236;nh sinh s&#7843;n.<o:p></o:p>-&#272;&#7889;i t&#432;&#7907;ng c&#7911;a di truy&#7873;n h&#7885;c: Nghi&#234;n c&#7913;u b&#7843;n ch&#7845;t v&#224; t&#237;nh quy lu&#7853;t c&#7911;a hi&#7879;n t&#432;&#7907;ng di truy&#7873;n v&#224; bi&#7871;n d&#7883;.<o:p></o:p>-N&#7897;i dung:<o:p></o:p>+ C&#417; s&#7903; v&#7853;t ch&#7845;t v&#224; c&#417; ch&#7871; c&#7911;a hi&#7879;n t&#432;&#7907;ng di truy&#7873;n<o:p></o:p>+ C&#225;c quy lu&#7853;t di truy&#7873;n<o:p></o:p>+Nguy&#234;n nh&#226;n v&#224; quy lu&#7853;t bi&#7871;n d&#7883;<o:p></o:p>-&#221; ngh&#297;a: L&#224; c&#417; s&#7903; l&#253; thuy&#7871;t c&#7911;a khoa h&#7885;c v&#224; ch&#7885;n gi&#7889;ng, y h&#7885;c v&#224; c&#244;ng ngh&#7879; sinh h&#7885;c hi&#7879;n &#273;&#7841;i.<o:p></o:p>2.Men&#273;en<o:p></o:p>-Ph&#432;&#417;ng ph&#225;p nghi&#234;n c&#7913;u:&nbsp;Ph&#432;&#417;ng ph&#225;p ph&#226;n t&#237;ch c&#225;c th&#7871; h&#7879; lai<o:p></o:p>-&#272;&#7889;i t&#432;&#7907;ng:&nbsp;&#272;&#7853;u H&#224; Lan v&#236; ch&#250;ng c&#243; &#273;&#7863;c &#273;i&#7875;m &#432;u vi&#7879;t: L&#224; c&#226;y t&#7921; th&#7909; ph&#7845;n nghi&#234;m ng&#7863;t, c&#243; hoa l&#432;&#7905;ng t&#237;nh, th&#7901;i gian sinh tr&#432;&#7903;ng, ph&#225;t tri&#7875;n ng&#7855;n, c&#243; nhi&#7873;u t&#237;nh tr&#7841;ng t&#432;&#417;ng ph&#7843;n v&#224; tr&#7897;i l&#7863;n ho&#224;n to&#224;n, s&#7889; l&#432;&#7907;ng &#273;&#7901;i con l&#7899;n.<o:p></o:p>-N&#7897;i dung: <o:p></o:p>+Lai c&#225;c c&#7863;p b&#7889; m&#7865; kh&#225;c nhau v&#7873; m&#7897;t ho&#7863;c m&#7897;t s&#7889; c&#7863;p t&#237;nh tr&#7841;ng thu&#7847;n ch&#7911;ng t&#432;&#417;ng ph&#7843;n(xanh –v&#224;ng; tr&#417;n-nh&#259;n…)<o:p></o:p>+Theo d&#245;i s&#7921; di truy&#7873;n c&#7911;a t&#7915;ng c&#7863;p t&#237;nh tr&#7841;ng &#273;&#243; tr&#234;n con ch&#225;u c&#7911;a t&#7915;ng c&#7863;p b&#7889; m&#7865;.<o:p></o:p>+D&#249;ng to&#225;n th&#7889;ng k&#234; &#273;&#7875; ph&#226;n t&#237;ch c&#225;c s&#7889; li&#7879;u thu &#273;&#432;&#7907;c-&gt;r&#250;t ra &#273;&#432;&#7907;c quy lu&#7853;t di truy&#7873;n.<o:p></o:p>T&#7915; c&#225;c k&#7871;t qu&#7843; nghi&#234;n c&#7913;u tr&#234;n &#273;&#7853;u H&#224; Lan, n&#259;m1965, &#244;ng &#273;&#227; r&#250;t ra c&#225;c quy lu&#7853;t di truy&#7873;n, &#273;&#7863;t n&#7873;n m&#243;ng cho di truy&#7873;n h&#7885;c.<o:p></o:p>-M&#7897;t s&#7889; thu&#7853;t ng&#7919;: SGK<o:p></o:p>+T&#237;nh tr&#7841;ng<o:p></o:p>+ C&#7863;p t&#237;nh tr&#7841;ng t&#432;&#417;ng ph&#7843;n<o:p></o:p>+Nh&#226;n t&#7889; di truy&#7873;n quy &#273;&#7883;nh c&#225;c t&#237;nh tr&#7841;ng c&#7911;a sinh v&#7853;t<o:p></o:p>+Gi&#7889;ng thu&#7847;n ch&#7911;ng<o:p></o:p>3. M&#7897;t s&#7889; k&#237; hi&#7879;u:SGK<o:p></o:p></div></section>

Các Chuyên Đề Bồi Dưỡng HSG Sinh Học Lớp 9

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