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新授课课件 | 必修2 5.2 染色体变异2

  • 2026-05-08 18:34:30
新授课课件 | 必修2 5.2 染色体变异2

必修二       课  件

5.2 染色体变异2

新授课内容包括：课件+基础知识+书后习题三部分内容

说明：由于笔者能力和精力有限，难免存在有误之处，欢迎指正！

01  课件 

主要内容：

  1. 育种

  2. 实验——低温诱导染色体数目加倍

  3. 可遗传变异判断

左右滑动查看更多

说明：图片等部分素材来源于网络，如侵权，告知标明

02  基础知识

点击下面链接查看

本次研讨的主题是“生命教育”

03 书后习题

— END —

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  1. CONNECT:[ UseTime:0.001009s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001660s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000679s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000656s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001411s ]
  6. SELECT * FROM `set` [ RunTime:0.000614s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001461s ]
  8. SELECT * FROM `article` WHERE `id` = 501607 LIMIT 1 [ RunTime:0.001223s ]
  9. UPDATE `article` SET `lasttime` = 1778324541 WHERE `id` = 501607 [ RunTime:0.006401s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000702s ]
  11. SELECT * FROM `article` WHERE `id` < 501607 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001225s ]
  12. SELECT * FROM `article` WHERE `id` > 501607 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000570s ]
  13. SELECT * FROM `article` WHERE `id` < 501607 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002813s ]
  14. SELECT * FROM `article` WHERE `id` < 501607 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001259s ]
  15. SELECT * FROM `article` WHERE `id` < 501607 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000735s ]
0.180224s