lesson 29 – genetic engineering learning objective: we will learn the importance of genetic...

Lesson 29 – Genetic Lesson 29 – Genetic EngineeringEngineering

LEARNING OBJECTIVE:LEARNING OBJECTIVE:

We will learn the importance of We will learn the importance of genetic engineering in our genetic engineering in our

everyday lives.everyday lives.

Kaneshige – Living Environment - 2/15/11 – Periods 4,7

Catalyst:

Describe your favorite fruit and the characteristics that make it so delicious.

WILF:WILF:State the definition of genetic State the definition of genetic engineering.engineering.

Understand how we use selective Understand how we use selective breeding to produce products breeding to produce products with more desirable traits. with more desirable traits.

Understand the basic method of Understand the basic method of gene alteration.gene alteration.

Answer multiple choice QAnswer multiple choice Q’’s based s based on genetic engineering.on genetic engineering.

LEARNING OBJECTIVE:We will learn the importance of genetic engineering in our We will learn the importance of genetic engineering in our


Genetic engineering is...Genetic engineering is...A new A new technology technology that alters that alters the DNA in the DNA in organisms.organisms.



Genetically Engineering Bacteria

https://www.youtube.com/watch?v=t7jfOJ-BW-U

Selective breeding is...Selective breeding is...

A process A process that produces that produces domestic domestic animals and animals and new varieties new varieties of plants of plants with traits with traits that are that are

desirabledesirable..



Examples:Examples:Many meat products Many meat products come from come from animals that animals that have been bred have been bred to contain less to contain less fat.fat.

Many of the fruits Many of the fruits and vegetables and vegetables have been bred have been bred to be larger, to be larger, sweeter, sweeter, hardier, or hardier, or juicier.juicier.



The basic method that alters genes The basic method that alters genes in organisms...in organisms...

Uses special Uses special enzymes that enzymes that splices (cuts, splices (cuts, moves and moves and attaches) the DNA attaches) the DNA to that of a new to that of a new

organismorganism..



Once in the new Once in the new organism...organism...

The transferred The transferred DNA directs DNA directs the new the new organismorganism’’s s cells to make cells to make the same the same protein protein product as product as the original the original organism.organism.



MULTIPLE-CHOICE QUESTION MULTIPLE-CHOICE QUESTION #1#1

In recent research, the DNA that codes In recent research, the DNA that codes for a different key enzyme was removed for a different key enzyme was removed from each of three different species of from each of three different species of soil bacteria. A new bacterium soil bacteria. A new bacterium containing DNA for all three key containing DNA for all three key enzymes, could be produced byenzymes, could be produced by

1)1)selective breedingselective breeding

2)2)screening for mutationsscreening for mutations

3)3)genetic engineeringgenetic engineering

4)4)random alterationrandom alteration




What is the technique of genetic What is the technique of genetic engineering in which DNA is engineering in which DNA is transferred from the cells of one transferred from the cells of one organism to the cells of another organism to the cells of another organism?organism?

1)1)gene splicinggene splicing

2)2)chromatographychromatography

3)3)electrophoresiselectrophoresis

4)4)selective deletingselective deleting




The insertion of a human DNA The insertion of a human DNA fragment into a bacterial cell fragment into a bacterial cell might make it possible for might make it possible for

1)1)the bacterial cell to produce a the bacterial cell to produce a human proteinhuman protein

2)2)the cloning of the human that the cloning of the human that donated that DNA fragmentdonated that DNA fragment

3)3)humans to become immune to an humans to become immune to an infection by this type of bacteriainfection by this type of bacteria

4)4)the cloning of this type of the cloning of this type of bacteriabacteria



SUMMARY:SUMMARY:The technology of genetic The technology of genetic engineering has allowed engineering has allowed humans to alter the genetic humans to alter the genetic makeup of organisms. makeup of organisms. Describe one example of such Describe one example of such an alteration.an alteration.



Gene Therapy

https://www.youtube.com/watch?v=OqJibiP6MNg

https://www.youtube.com/watch?v=gl2miunHTRI

Socrative Exit Slip

Go to http://m.socrative.comJoin room #66355Wait for instructions.Answer the following questions in the space provided: (you may ignore the other questions)

1. Explain the difference between a point mutation and a frameshift mutation.

lesson 29 – genetic engineering learning objective: we will learn the importance of genetic...

Documents

everyday lives

engineering bacteriahttps

genetic makeup of organisms

transferred dna

dna fragmenthumans

new organisms cells

human dna fragment

new technology