Download C10 Lesson 3

Name
Date
Advances in Genetics
Class
Ch 10 Lesson 3
Understanding Main Ideas
Answer the following questions on a separate sheet of paper.
1.
2.
3.
4.
What are two types of selective breeding and how do they compare?
What is cloning?
How are bacteria used in genetic engineering?
How could gene therapy someday be used to treat genetic disorders?
Building Vocabulary
Match each term with its definition by writing the letter of the correct definition in the
right column on the line beside the term in the left column.
5. ___ inbreeding
a. the process of selecting organisms with desired traits
to be parents of the next generation
6. ___ clone
b. crossing two individuals that have similar desirable
characteristics
7. ___ gene therapy
c. crossing two genetically different individuals
8. ___ selective breeding
d. organism that has exactly the same genes as the
organism from which it was produced
9. ___ hybridization
10. ___ genetic engineering
e. process by which genes from one organism are
transferred into the DNA of another organism
f.
process of inserting copies of a gene directly into the
cells of a person with a genetic disorder
Name
Date
Advances in Genetics
Class
Ch 10 Lesson 3
If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. _______________ In the process of cloning, breeders cross two genetically
different individuals.
2. _______________ Crossing two individuals that have similar desirable
characteristics is called genetic engineering.
3. _______________ In selective breeding, organisms with desired traits are chosen
to be parents of the next generation.
4. _______________ The process by which genes from one organism are transferred
into the DNA of another organism is called inbreeding.
5. _______________ Through gene therapy, a genetic disorder may be corrected by
inserting copies of a gene directly into a person’s cells.
6. _______________ Hybridization results in an organism that has exactly the same
genes as the organism from which it was produced.
Fill in the blank to complete each statement.
7. Small rings of DNA called _______________ are found in some bacterial cells.
8. Some people are concerned that _________________________________ of crops
may cause harm to the environment or health problems in humans.
9. By using a stem cutting from an African violet, it is easy to produce a new plant,
which is a(n) _______________.
10. A hybrid organism has two different _______________ for a trait.