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# Prentice Hall Biology

## Chapter 14: The Human Genome

### TAKS Practice Test

Click on the button next to the response that best answers the question. For best results, review Prentice Hall Biology, Chapter 14.

You may take the test as many times as you like. When you are happy with your results, you may e-mail your results to your teacher. Please obtain your teacher's permission before e-mailing.

(TAKS 4, IPC TEKS 7A)
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.

(TAKS 5, IPC TEKS 4A)
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.

(TAKS 5, IPC TEKS 5A)
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)
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.