"Wonderful Cloning" PPT courseware 4

Description

"Wonderful Cloning" PPT courseware 4

Master the following words:

multiply yǎn reproduce zhí twig nèn

embryo pēi clone kè crucian carp jì

carp lǐ scales lín spine zhuī

toad chán chú trypsin yí méi

amphibious qī gland xiàn secretion mì

On the verge of bīn Yinxian yín bacteria jūn

penetration shèn lactation bǔ sac náng

The pronunciation and glyphs of similar characters

to reproduce, to reproduce, to reproduce, to reproduce

title (military rank) cone (cone)

Street (market) Hina (prototype)

Yamen (yamen) Wei (lifelike)

raspberry (strawberry) roost (amphibious)

moldy (mildew) sacrifice (sacrifice)

First reading of the text overall perception

(1) What is cloning?

(2) What explanation methods does the author use? What is the order of explanation?

(3) In what aspects does the text describe the benefits of cloning technology to mankind?

Interpret the text

What is cloning?

Offspring not produced by the union of germ cells.

Asexual reproduction is a group of individuals produced from an ancestor through asexual reproduction.

What explanatory methods does the author use?

Give examples, define, explain, list numbers, quote

What is the significance and impact of the birth of "Dolly"?

The birth of "Dolly" marks new progress and a major breakthrough in cloning research, and this result proves that the so-called highly differentiated cells in the animal body that perform special functions and have specific shapes have the same potential to develop into complete individuals as fertilized eggs. . In other words, animal cells, like plant cells, are also totipotent.

Invite students to read and think freely:

1. In what aspects does the text describe the benefits of cloning technology to mankind?

First, cloning can effectively breed “high value-added livestock.”

Second, cloning can be used to save rare animals.

Third, cloning is of great significance to the prevention and treatment of human diseases and the extension of life span.

2. Think about whether the subtitle of this part is appropriate.

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For more information about the "Wonderful Cloning" PPT courseware, please click the "Wonderful Cloning" ppt tag.

"Wonderful Cloning" PPT teaching courseware:

Contents of the first part of the "Wonderful Cloning" PPT teaching courseware: Introduction to the text. More than ten years ago, many Chinese media reprinted a shocking news reported by foreign media: a group of scientific madmen controlled by a cult organization were conducting a conspiracy deep in the desert of Nevada, USA. With one item...

"Wonderful Cloning" PPT download:

"Wonderful Cloning" PPT Download Part One: Learning Objectives 1. Clarify the structure of the text and understand the content of the article. 2. Understand the order and method of explanation used in this article. 3. Cultivate a persevering scientific attitude and a scientific spirit of truth-seeking and innovation. Get closer to the author Tan Jiazhen...

"Wonderful Cloning" PPT:

"Wonderful Cloning" PPT Part One: Classroom Introduction Tan Jiazhen (1909.9-2008.11), academician of the Chinese Academy of Sciences, geneticist, and educator. He has been engaged in teaching and researching genetics for more than 70 years, and has taught general biology and comparative anatomy of vertebrates.

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Update Time: 2024-10-05

This template belongs to Chinese courseware Jiangsu Education Edition Chinese Language for Eighth Grade Volume 1 industry PPT template

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