People's Education Edition Biology for Grade 8, Volume 1
People's Education Edition Biology for Grade 8, Volume 2
People's Education Press High School Biology Compulsory Course 2
Beijing Normal University Edition Seventh Grade Biology Volume 2
People's Education Edition seventh grade biology volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 1
Beijing Normal University Edition Seventh Grade Biology Volume 1
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Eighth Grade Biology Volume 2
High School Biology Compulsory Course 1, published by People's Education Press
Jiangsu Education Edition 8th Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
!["Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 5](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/6501ea84-51ba-4aa3-8226-07098d716ecc.webp)
Category | Format | Size |
---|---|---|
People's Education Edition Biology for Grade 8, Volume 2 | pptx | 6 MB |
Description
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 5
Read and think about the following questions
Mark this in the text:
What is heredity? What is mutation?
How are biological inheritance and mutations achieved?
What is a trait? What are relative traits? Can you list some?
Knowledge points (1)
Similarities between parents and children Genetics
Differences between parents and offspring and between individual offspring Variation
Knowledge points (2)
Morphological structure: color, shape, size of apple, size of human nose, face shape, height
Physiological characteristics The taste of apples Human blood type
Behavioral style Left or right handed Birds build nests
Knowledge points (4)
What traits are being studied in this study?
Rat body size
What gene controls this trait?
rat growth hormone gene
What does this study illustrate about the relationship between traits and genes? Why?
Genes control biological traits
What are GMOs?
A certain gene of an organism is transferred into the genome of an organism using biotechnological methods, and the resulting organism is called a "genetically modified organism" and may exhibit the traits controlled by the inserted gene.
Development of transgenic fish
What traits are being studied in this study?
fish size
What is the gene that controls this trait?
human growth hormone gene
What is the relationship between traits and genes?
Genes control biological traits
Class summary
1. Heredity and variation
2. Characteristics and relative characteristics
3. Genes control biological traits
4. Genetically modified organisms (transgenic super mouse experiment)
Training to improve
1. The biological phenomenon explained by the proverb "You will reap melons if you sow melons, and you will reap beans if you sow beans" is ( )
A. Genetic phenomenon B. Variation phenomenon
C. Reproductive phenomena D. Developmental phenomena
2. "One mother gives birth to nine sons, and each of the nine sons is different." The biological phenomenon explained by this proverb is ( )
A. Genetic phenomenon B. Variation phenomenon
C. Reproductive phenomena D. Developmental phenomena
3. Among the following groups, the relative traits are ( )
A. Pig’s black hair and sheep’s white hair
B. Bubble eyes of goldfish and protruding eyes of crucian carp
C. Pumpkin yellow and pumpkin green
D. Straight leaves of rice and curled leaves of wheat
7. Chinese scientists successfully introduced human growth hormone genes into fertilized carp eggs. The growth rate of carp developed from such fertilized eggs was significantly accelerated. This shows that: ( )
A. Genetically modified technology can promote biological growth
B. Genes in carp fertilized eggs lost
C. The development of fertilized carp eggs requires the introduction of human genes
D. Biological traits are controlled by genes
8. According to reports, my country has developed a new insect-resistant rice variety with widespread promotion value. Scientists transplanted genes from a common legume crop into the rice genome to make it insect-resistant. Because insects cannot digest a protein formed in rice, their digestive systems are damaged and they die, but humans do not suffer any harm after eating this variety of rice.
(1) The biotechnology used to cultivate this new rice variety is genetically modified technology.
(2) This research result shows that traits are controlled by genes.
Keywords: teaching courseware of inheritance and variation of organisms, teaching courseware of traits controlled by genes, new PEP eighth grade biology PPT courseware for the second volume, eighth grade biology slide courseware download, download of inheritance and variation of organisms PPT courseware, gene control Biological traits PPT courseware download, .ppt format
For more information about the PPT courseware "Heredity and Variation of Organisms, Genes Control the Characteristics of Organisms", please click the Inheritance and Variation of Organisms ppt, Genes Control the Characteristics of Organisms ppt tag.
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 7:
"Genes Control Biological Characteristics" Biological Inheritance and Variation PPT Courseware 7 Test You What is the relationship between individual animals in this set of pictures you see? Are each of their children similar to their parents? Is it exactly the same? Why do I look like my parents but not like them at the same time?
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 6:
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 6 1. What is heredity? The phenomenon of biological traits being passed on to future generations is called heredity. 2. What is mutation? The differences in traits between parents and offspring of organisms, as well as between individual offspring,...
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 4:
"Genes Control Biological Traits" Biological Inheritance and Variation PPT Courseware 4 Learning Objectives: 1. Give examples of biological traits and the continuation of traits between parent and offspring. Give examples of the differences between different traits and relative traits. 2. Give examples of biological...
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Update Time: 2024-09-07
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