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Chapter 6, Section 2 A
Test Description: Genes and Gene Technology: How DNA Works
Instructions: Answer all questions to get your test result.
1) Most genetic disorders, such as sickle cell anemia, are due to a ___.
A
pedigree
B
ribosome
C
dominant gene
D
recessive gene
2) Genetic engineering is currently used to ___.
A
repair damaged genes
B
genetically alter plants
C
All of the answers
D
manufacture proteins
3) Which of the following could cause sickle cell anemia?
A
air pollution
B
a virus
C
a bacterium
D
a change in the order of bases in a person's DNA
4) Which of the following is NOT a step in making a protein?
A
amino acids are joined together at the ribosome to make a protein
B
transfer molecules deliver amino acids to the nucleus
C
copies of DNA are taken to the cytoplasm
D
a copy of the DNA is fed through the ribosome
5) The human body contains about 50,000 different kinds of ___, which are made of amino acids.
A
genes
B
proteins
C
traits
D
bases
6) The factory through which the protein assembly line is fed is the ___.
A
cell wall
B
nucleus
C
cell membrane
D
ribosome
7) In order to make a protein, extra amino acids must be brought from the ___ to join with the complementary copy of the DNA strand.
A
nucleus
B
cell membrane
C
cytoplasm
D
ribosome
8) An original base sequence of DNA, AAACCCGGG, changes to AAACACGGG. This mutation is known as a ___.
A
substitution
B
deletion
C
insertion
D
omission
9) An original base sequence of DNA, AAACCCGGG, changes to AAACCGGG. This mutation is known as a ___.
A
insertion
B
substitution
C
omission
D
deletion
10) A mutation in DNA could result in ___.
A
a genetic disorder
B
death
C
no change at all
D
all of the answers
*select an answer for all questions
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