Psychology - Life Span - Chapter 3 - Pt 2

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Psychology 237 Life Span

  
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1.  A person whose genotype includes a gene that is not expressed in the phenotype is called:
A.
B.
C.
D.
2.  Eric has been identified as having cells with 45 chromosomes and others with 46 chromosomes.  This condition is called:
A.
B.
C.
D.
3.  Dr. Chan has diagnosed 8-year old Hsu with myopia.  He recommends that Hsu should spend more time playing outside in the sun.  Why would Dr. Chan make this recommendation?
A.
B.
C.
D.
4.  Approximately the same number of males and females are born every year. If scientists found a way to cure stressful pregnancies, how would this effect the number of males born every year:
A.
B.
C.
D.
5.  Each of the following results from an atypical number of chromosomes, except:
A.
B.
C.
D.
6.  Each molecule of DNA is called a:
A.
B.
C.
D.
7.  According to the text, some historians believe that a disease was an underlying cause of the Russian revolution of 1917. What was this disease?
A.
B.
C.
D.
8.  The genetic explanation for the differences between chimps and humans concerns differences in:
A.
B.
C.
D.
9.  Most humans have ____ pair(s) of autosomes and ____ pair(s) of sex chromosome
A.
B.
C.
D.
10.  Additive genes contribute to the:
A.
B.
C.
D.
11.  Why is it important to be knowledgeable about chromosomal and genetic abnormalities?
A.
B.
C.
D.
12.  A slight variation of a particular gene is called an:
A.
B.
C.
D.
13.  Examples of the interaction of genotype and phenotype can be easily identified in:
A.
B.
C.
D.
14.  Which type of twin is created from two separate zygotes?
A.
B.
C.
D.
15.  What is the correct order of the processes that occur after a zygote is formed?
A.
B.
C.
D.
16.  Which of the following statements about individuals with Down syndrome is true?
A.
B.
C.
D.
17.  Research reported in The Relationship Code found that:
A.
B.
C.
D.
18.  Carriers of the sickle-cell trait are:
A.
B.
C.
D.
19.  Why does genetic testing and counseling produce uncertainty?
A.
B.
C.
D.
20.  IVF zygotes have been surgically implanted into Norma's womb.  What is the chance of one of them implanting and developing?
A.
B.
C.
D.
21.  Which genetic disorder is sex-linked, appears on the X chromosome, and may result in mental retardation?
A.
B.
C.
D.
22.  In the United States, it is illegal to:
A.
B.
C.
D.
23.  The chemicals that send instructions to cells are:
A.
B.
C.
D.
24.  Differentiation occurs when:
A.
B.
C.
D.
25.  A person's genetic inherited potential is called the _______, while a person's actual appearance and behavior is called the________.
A.
B.
C.
D.
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