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必修二51基因突变和基因重组PPT课件

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基因突变和基因重组 必修二基因突变和基因重组 5.1 基因突变和基 5.1 基因突变和基因重组 基因突变和基因重组PPT 必修二基因突变和基因重组ppt课件 基因突变和基因重组课件
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This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 表现型=基因型+环境条件 不可遗传的变异 (改变) (改变)(改变) 基因突变 基因重组 染色体变异 可遗传的变异 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 基因突变 一、概念 二、原因 三、发生的时期 四、特点 五、意义 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 镰刀型细胞贫血症 • 正常人的 红细胞 镰刀型贫血症患 者的红细胞 讨论:镰刀型细胞贫血症的发病原因是什么? This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 控制血红蛋白形成的基因中一个碱基对变化 血红蛋白的结构发生变化 红细胞呈镰刀状 红细胞容易破裂,患溶血性贫血 镰刀型细胞贫血症 镰刀型红细胞贫血症 DNA ┯-┯-┯ C T T G A A ┷-┷-┷ ┯-┯-┯ C A T G T A ┷-┷-┷ G A A ┷-┷-┷ G U A ┷-┷-┷ 基因突变 mRNA 氨基酸谷氨酸缬氨酸 血红蛋白正常异常 红细胞圆饼状镰刀状 ————碱基对的改变碱基对的改变 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 概念:DNA分子中发生碱基对的替换、增添和缺失 ,而引起基因的内部结构发生改变 (一)基因突变 ┯┯┯┯ ATGC TACG ┷┷┷┷ ┯┯┯┯┯ ATAGC TATCG ┷┷┷┷┷ ┯┯┯┯ ATGC TACG ┷┷┷┷ ┯┯┯ AGC TCG ┷┷┷ ┯┯┯┯ ACGC TGCG ┷┷┷┷ ┯┯┯┯ ATGC TACG ┷┷┷┷ 增 添 缺 失 替 换 实质?实质? (碱基对排列顺序的改变) This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 基因突变发生的时期? 分裂间期。 A有丝分裂间期(体细胞) B减数第一次分裂间期(生殖细胞) 一般不能传给后代 可以通过受精作用直接传给后代 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. •不定向性(不同碱基位点改变) 基因突变的特点: 是新基因产生的途径; 是生物变异的根本来源; 是生物进化 最初的原材料。 基因突变的意义: •普遍性(广泛而随机) •随机性 •低频性(几万到几亿分之一) •少利多害性 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 正常绵羊和短腿安康(中) This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 白化病患儿 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 太空椒普通青椒 神奇的太空育种 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 太空南瓜王 这种太空南瓜王最大能长到200多公斤, 在生长繁殖期高峰时,南瓜每天能增大5公斤。 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. “一猪生九仔,连母十个样”,这种 个体的差异,主要是什么原因产生的? 基因重组 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. (二)基因重组 绿色皱粒 P× 黄色圆粒 F1 黄色圆粒 F2 黄色 圆粒 绿色 圆粒 绿色 皱粒 黄色 皱粒 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 1.概念 指在生物体进行有性生殖的过程中,控 制不同性状的基因的重新组合 2. 类型 3. 意义 随机重组(自由组合) 交换重组(交叉互换) 通过有性生殖实现基因重组为生物 变异提供了极其丰富的来源,是生物 多样性的重要原因之一. This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. A a b B A a Bb This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 比较项较项 目 基因突变变基因重组组 定义义 时时期 类类型 结结果 意义义 应应用 碱基对的增添、缺失碱基对的增添、缺失 或改变而引起的基因或改变而引起的基因 结构的改变结构的改变 有性生殖过程中,有性生殖过程中, 控制不同性状的基因控制不同性状的基因 重新组合重新组合 分裂间期复制过程分裂间期复制过程 减减ⅠⅠ分裂过程中分裂过程中 自然突变、诱发突变自然突变、诱发突变随机重组、交换重组随机重组、交换重组 产生新基因产生新基因产生新的基因型产生新的基因型 生物进化的根本来源生物进化的根本来源 形成生物多样性的重形成生物多样性的重 要原因之一要原因之一 诱变育种诱变育种杂交育种杂交育种 基因突变和基因重组的比较 练习 1、某自花传粉植物连续几代开红花,一次开出 一朵白花,白花的后代全开白花,其原因是 ( ) A. 基因分离 B. 基因重组 C. 基因突变 D. 环境刺激 2、下列不属于基因突变引起的变异是( ) A. 果蝇的白眼 B. 血友病 C. 短腿安康羊 D. 猫叫综合征 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 练习 • 若某基因原有303对碱基,现经过突变,成 为300个碱基对,若合成的蛋白质分子与原 来基因合成的蛋白质分子相比较。差异可能 为( ) A. 只相差一个氨基酸,其他顺序不变 B. 长度相差一个氨基酸外,其他顺序也有改 变 C. 长度不变,但顺序改变 D. A、B都有可能 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. 表现型= 基因型+环境条件 不可遗传的变异 (改变) (改变)(改变) 基因突变 基因重组 染色体变异 可遗传的变异 小结 This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 m sensor. ⑴物理辐射 ⑵化学药剂 (3)生物因素 诱变因素的种类 (外因) 正常基因 碱基对(增减或改变) (分裂间期) 碱基序列(改变) 遗传信息(改变) 突变基因 基因的可变性 (内因) 小结
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