This presentation is the property of its rightful owner.
Sponsored Links
1 / 38

( 一 ) 遗传的物质基础 PowerPoint PPT Presentation


  • 98 Views
  • Uploaded on
  • Presentation posted in: General

遗传专题. ( 一 ) 遗传的物质基础. 一 . 选择题. 1 、用 32P 标记 S 型肺炎双球菌的 DNA , 35S 标记其蛋白质,将其加热杀死后与未经元素标记的 R 型活细菌混合并注入小鼠体内。一段时间后,从死亡的小鼠体内提取得到活的 S 型和 R 型细菌。下列有关元素分布的分析,最可能的情况是 ( ) A .部分 S 型细菌含有 32P ,不含有 35S B .部分 R 型细菌含有 32P ,和 35S C .所有 S 型细菌都含有 32P ,不含有 35S D .所有 R 型细菌都含有 35S ,不含有 32P 答案: A.

Download Presentation

( 一 ) 遗传的物质基础

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


3965326

( )


3965326

.

  • 132PSDNA35SRSR

  • AS32P35S BR32P35S

  • CS32P35S DR35S32P

  • A


3965326

2(RNA):( )

A

BRNAmRNA

C

DDNA

D


3965326

  • 3DNA32P(26): ( )

  • A426

  • B

  • CDNA

  • D

A


3965326

  • 4abcdDNA4W:(

  • A. a B. b C. c D. d

B


3965326

  • 5DNA:( )

  • ADNA

  • BDNA

  • CDNA

  • D

A


3965326

  • 6ABC


3965326


3965326

  • ABC: ( )

  • A. ABC B. ACB

  • CBCA D. CBA

D


3965326

  • 7(17)

  • 1)AA-GAACAUGUU-AXX-CTTGTACAA-


3965326

  • 2)XYYY

  • 3)YZZZ

  • 4)

mRNA

RNA


3965326

  • 8(18)AQP7AQP8


3965326

  • 1

  • AAU BCG CGC DAT

  • 2

  • 3_

  • 4___

D

RNA


3965326

  • 9(212)32RNA


3965326

  • (UCGUCUUCCUCAAGCAGU)(GUAGUUGUCGUG)(GGCGGGGGAGGU)(AUG)(UAAUGAUAG)

  • 1_______

  • 2DNA______

  • 3T_______

  • 4TG____

  • 5210147__________

DNA

20

1722


3965326

  • 10(212)ABCD


3965326

  • (1)

  • (2)ABDCccc

  • (3)33

  • (4)(AaBb)(Aabb)(AaBb)

CmRNA

DNA

AABbAaBb

3 /16


3965326


3965326

  • 2X

  • 3

A

A


3965326

  • 1

  • AF1

  • BF1

  • CF2

  • D

A


3965326

  • 2TtRr=31=31 A4

  • B9C

  • D

D


3965326

3

A

B

C

D25%

B


3965326

4

  • AaBb

  • AAaXBXb AaXBY BBbXAXa BbXAY

  • CAaBb AaBb DAABb AaBB

B


3965326

  • 5

  • AI8

  • B

  • CIIIabcd 4

  • Da5

C


3965326

  • 6BbXYbXBXbXbY

  • A1/21/2

  • B1/21/2

  • C1/21/2

  • D1/4

A


3965326

  • 719I

  • (1)1

    (2)34


3965326

II()()(AaBb)AB()(1)

__ _AAbbAabb__

(2)AABBaaBBaabb I

__ _AABB aabb ______

Fl


3965326

  • FlF1F2

  • F2F2F2

  • (3)

  • Fl__

  • F2?

  • Fz

  • 3/16

  • 1/2


3965326

  • 8212ABOBbchbhbBbchbhbbchbhbbhbB


3965326

10

4

  • 1

  • 2:=1:1

  • 3Bbch

  • :=2:1

  • 4

  • bhbhbhb

Bbchbhbhbhb


3965326

  • 921085%RRr70%pH


3965326

  • MMHHRrmmHHRrmmhhRr

  • 1 F1


3965326

  • 2F1___F2____

1/16


3965326

  • 1028Bb,Rr:

  • P

  • F1

  • F2

  • 3 1 3 1


3965326

  • 1F1F2

  • F1F1F2


3965326

  • 2F1F2F2 F1 F2

12

1/8


3965326

  • 11.

  • (1)

  • ? ________ ________ ________ ________(4)

  • (2)?

  • (3)?

  • (4)?


  • Login