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Prentice Hall Biology

Chapter 14: The Human Genome

TAKS Practice Test

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1. How does a decrease in temperature affect the density of a fluid?
A The density is not affected by temperature.
B The fluid would contract, and the density would increase.
C The fluid would expand, and the density would decrease.
D The fluid would contract, and the density would decrease.

2. Vehicle A is traveling southeast at 100 km/h, and vehicle B is also traveling southeast but at 80 km/h. Both vehicles have the same mass. Which of the following statements about these two vehicles is true?
F Vehicle A has greater momentum than Vehicle B.
G Vehicle B has greater momentum than Vehicle A.
H Both vehicles have the same velocity.
J Both vehicles have the same momentum.

3. A tuning fork has a frequency of 256 Hz. The sound produced by this tuning fork has a wavelength of 1.32 m. What is the velocity of the wave? HINT: Velocity of wave = frequency × wavelength
A 338 m/s
B 193.93 m/s
C 338 Hz
D 372 m/s2

(TAKS 1, Bio TEKS 3F.4)
4. The two scientists who headed the public and private portions of the Human Genome Project are
F James Watson and Francis Crick.
G Linus Pauling and Robert Corey.
H Alfred Hershey and Martha Chase.
J Francis Collins and Craig Venter.

(TAKS 2, Bio TEKS 6D.1)
5. Sex-linked recessive traits occur
A more often in males than in females.
B more often in females than in males.
C because of genes on chromosome 21.
D because of genes on autosomes.

(TAKS 2, Bio TEKS 6C.1)
6. The failure of homologous chromosomes to separate properly during meiosis is known as
F meiosis.
G crossing-over.
H nondisjunction.
J karyotyping.

(TAKS 2, Bio TEKS 6C.1)
7. How many chromosomes are found in each diploid cell of a person with Down syndrome?
A 47
B 45
C 22
D 24

(TAKS 2, Bio TEKS 6C.1)
8. Cystic fibrosis is caused by
F a small change in the DNA sequence of one gene.
G nondisjunction during meiosis in the father.
H crossing over between X and Y chromosomes.
J the combined effects of several genes.

(TAKS 1, Bio TEKS 3F.2)
9. The main goal of the Human Genome Project is to
A identify the unique parts of each person's DNA.
B identify genes responsible for human diseases.
C identify genes responsible for human behavior.
D determine the entire sequence of human DNA.

(TAKS 2, Bio TEKS 6C.1)
10. A serious genetic disease associated with chromosome 21 and causing progressive loss of muscle control and destruction of nerves is
F cystic fibrosis.
G Lou Gehrig's disease.
H sickle cell disease.
J Huntington's disease.