Tài liệu Đề Cương Ôn Thi Sinh Học 9 Học Kỳ 1. Phân loại: Phổ thông > Sinh > Lớp 9. Chủ đề: undefined, undefined. 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">&#272;&#7872; C&#431;&#416;NG &#212;N T&#7852;P SINH H&#7884;C 9 <o:p></o:p>H&#7884;C K&#7922; 1<o:p></o:p>A. DI TRUY&#7872;N V&#192; BI&#7870;N D&#7882;: &nbsp;&nbsp;<o:p></o:p>I. CH&#431;&#416;NG I: C&#193;C TH&#205; NGHI&#7878;M C&#7910;A MENDEN<o:p></o:p>C&#226;u 1: Mu&#7889;n x&#225;c &#273;&#7883;nh KG c&#7911;a c&#225; th&#7875; mang t&#237;nh tr&#7841;ng tr&#7897;i c&#7847;n ph&#7843;i l&#224;m g&#236;?<o:p></o:p>Tr&#7843; l&#7901;i:<o:p></o:p>- Mu&#7889;n x&#225; &#273;&#7883;nh KG c&#7911;a c&#225; th&#7875; mang t&#237;nh tr&#7841;ng tr&#7897;i c&#7847;n ti&#7871;n h&#224;nh ph&#233;p lai ph&#226;n t&#237;ch.<o:p></o:p>- Ph&#233;p lai ph&#226;n t&#237;ch l&#224; ph&#233;p lai gi&#7919;a c&#225; th&#7875; mang t&#237;nh tr&#7841;ng tr&#7897;i c&#7847;n x&#225;c &#273;&#7883;nh KG v&#7899;i c&#225; th&#7875; mang t&#237;nh tr&#7841;ng l&#7863;n.<o:p></o:p>+ N&#7871;u k&#7871;t qu&#7843; c&#7911;a ph&#233;p lai l&#224; &#273;&#7891;ng t&#237;nh th&#236; c&#225; th&#7875; mang t&#237;nh tr&#7841;ng tr&#7897;i c&#243; KG &#273;&#7891;ng h&#7907;p<o:p></o:p>+ N&#7871;u k&#7871;t qu&#7843; c&#7911;a ph&#233;p lai l&#224; ph&#226;n t&#237;nh th&#236; c&#225; th&#7875; mang t&#237;nh tr&#7841;ng tr&#7897;i c&#243; KG d&#7883; h&#7907;p<o:p></o:p>C&#226;u 2: T&#432;&#417;ng quan tr&#7897;i l&#7863;n c&#7911;a c&#225;c t&#237;nh tr&#7841;ng c&#243; &#253; ngh&#297;a g&#236; trong th&#7921;c ti&#7877;n s&#7843;n xu&#7845;t?<o:p></o:p>Tr&#7843; l&#7901;i:<o:p></o:p>- T&#432;&#417;ng quan tr&#7897;i l&#7863;n l&#224; hi&#7879;n t&#432;&#7907;ng ph&#7893; bi&#7871;n &#7903; th&#7871; gi&#7899;i sinh v&#7853;t, trong &#273;&#243; t&#237;nh tr&#7841;ng tr&#7841;ng tr&#7897;i th&#432;&#7901;ng c&#243; l&#7907;i. V&#236; v&#7853;y trong ch&#7885;n gi&#7889;ng c&#7847;n ph&#225;t hi&#7879;n c&#225;c t&#237;nh tr&#7841;ng tr&#7897;i &#273;&#7875; t&#7853;p trung c&#225;c gen tr&#7897;i v&#7873; c&#249;ng m&#7897;t KG nh&#7857;m t&#7841;o ra gi&#7889;ng c&#243; &#253; ngh&#297;a kinh t&#7871;<o:p></o:p>C&#226;u 3: So s&#225;nh s&#7921; gi&#7889;ng nhau v&#224; kh&#225;c nhau v&#7873; k&#7871;t qu&#7843; &#7903; F1&nbsp;v&#224; F2&nbsp;trong di truy&#7873;n tr&#7897;i ho&#224;n to&#224;n v&#224; tr&#7897;i kh&#244;ng ho&#224;n to&#224;n. (&#272;C&#7888;THSG)<o:p></o:p>C&#226;u 4: Bi&#7871;n d&#7883; t&#7893; h&#7907;p l&#224; g&#236;? Bi&#7871;n d&#7883; t&#7893; h&#7907;p c&#243; &#253; ngh&#297;a g&#236; &#273;&#7889;i v&#7899;i ch&#7885;n gi&#7889;ng v&#224; ti&#7871;n h&#243;a? V&#236; sao &#7903; c&#225;c lo&#224;i giao ph&#7889;i bi&#7871;n d&#7883; t&#7893; h&#7907;p l&#7841;i phong ph&#250; h&#417;n nhi&#7873;u so v&#7899;i nh&#7919;ng lo&#224;i sinh s&#7843;n v&#244; t&#237;nh? (&#272;C&#7888;THSG)<o:p></o:p>II. CH&#431;&#416;NG II: NHI&#7876;M S&#7854;C TH&#7874;<o:p></o:p>C&#226;u1: N&#234;u v&#237; d&#7909; v&#7873; t&#237;nh &#273;&#7863;c tr&#432;ng c&#7911;a b&#7897; NST c&#7911;a m&#7895;i lo&#224;i sinh v&#7853;t. Ph&#226;n bi&#7879;t b&#7897; NST l&#432;&#7905;ng b&#7897;i v&#224; b&#7897; NST &#273;&#417;n b&#7897;i.<o:p></o:p>Tr&#7843; l&#7901;i:<o:p></o:p>a. Th&#237; d&#7909; v&#7873; t&#237;nh &#273;&#7863;c tr&#432;ng c&#7911;a b&#7897; NST &#7903; m&#7895;i lo&#224;i sinh v&#7853;t:<o:p></o:p>&nbsp;B&#7897; NST trong t&#7871; b&#224;o c&#7911;a m&#7895;i lo&#224;i sinh v&#7853;t c&#243; t&#237;nh &#273;&#7863;c tr&#432;ng v&#7873; s&#7889; l&#432;&#7907;ng v&#224; h&#236;nh d&#7841;ng<o:p></o:p>* V&#7873; s&#7889; l&#432;&#7907;ng:<o:p></o:p>T&#7871; b&#224;o 2n c&#7911;a ng&#432;&#7901;i c&#243; 46NST, c&#7911;a ru&#7891;i gi&#7845;m c&#243; 8NST, c&#7911;a g&#224; c&#243; 78NST, c&#7911;a b&#7855;p ng&#244; c&#243; 20NST, c&#7911;a &#273;&#7853;u H&#224; Lan c&#243; 14NST…<o:p></o:p></div></section>

Đề Cương Ôn Thi Sinh Học 9 Học Kỳ 1

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