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Chapter 6, Section 1 A
Test Description: Gene and Gene Technology: What Do Genes Look Like.
Instructions: Answer all questions to get your test result.
1) The code for a given amino acid consists of ___ bases.
A
two
B
four
C
three
D
one
2) What material make up each nucleotide in a DNA molecule?
A
a gene, an allele, and a trait
B
chromosomes and genes
C
a sugar, a phosphate, and a base
D
an amino acid, a base, and a protein
3) The complementary strand to the DNA sequence TAGTCA would be
A
ATGAGT
B
ATCAGT
C
GACAGT
D
GTAGAT
4) Which of the following statements is FALSE?
A
Several genes may afftect a single trait
B
A mutation can affect the traits of an organism
C
The environment has no influence on a person's traits
D
A single gene can affect more than one trait
5) In a DNA molecule, which of the following bases pair together?
A
cytosine and thymine
B
thymine and adenine
C
thymine and guanine
D
adenine and cytosine
6) A gene is ___.
A
instructions on how to make a protein
B
a set of instructins for each trait
C
a portion of a strand of DNA
D
all of the answers
7) DNA ___.
A
cannot be repaired it it is mutated
B
has a structure like a twisted ladder
C
is made up of amino acids
D
all of the answers
8) In incomplete dominance, ___.
A
each allele for a trait has its own degree of influence
B
genes for a trait are all recessive
C
the environment controls the genes
D
a single gene controls many traits
9) Watson and Crick ___.
A
took X-ray pictures of DNA
B
made models to determine DNA structure
C
studied the amount of each base in DNA
D
discovered that genes were located on chromosomes
10) Chemist Rosalind Franklin was able to ___ using X-ray diffraction.
A
create images of DNA molecules
B
splice DNA
C
calculate the number of genes on DNA
D
make a model of DNA
*select an answer for all questions
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