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Genetics AP BIO chp.11

Total questions: 80

Worksheet time: 57mins

Name
Class
Date
1.
Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. If you saw a black sheep, you would be able to identify
a)
its phenotype for hair color
b)
its genotype for hair color
c)
the genotype of only one of its parents
d)
the phenotype of both of its parents
2.
One of the main reasons genes assort independent of one another  is that 
a)
they produce unrelated traits
b)
they produce related traits
c)
they are on the same chromosome
d)
they are on different chromosomes.
3.
In mice, the homozygous mice are black and white. The heterozygous mice are gray. What pattern of inheritance is expressed in fur color in mice?
a)
complete dominance and recessiveness
b)
co-dominance
c)
incomplete dominance
d)
pleiotropy
4.
Chromosomes that do NOT play a role in determining the sex of an individual are called
a)
sex chromosoems
b)
X and Y
c)
autosomes
d)
A and B are correct
5.
A heterozygous white pig(Ww) mate with blue pig (ww).  
Probability of getting heterozygous offspring?
a)
50%
b)
25%
c)
100%
6.
The genetic make up of this flower is ________.
a)
homozygous recessive
b)
heterozygous
c)
homozygous dominant
d)
white
7.
A child has type O blood, if mother has type A blood, what would the fathers blood type be
a)
A,B, or O
b)
AB or A
c)
AB or B
d)
O only
8.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
9.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
10.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
11.
What goes in box 1
a)
AABb
b)
AABB
c)
aabb
d)
AaBb
12.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
13.
A single gene has 3 or more alternative forms. These are called
a)
heterozygotes
b)
multiple alleles
c)
epistatic
d)
polygenic
14.
If the parents of a cross are AaBcCc x aaBBcc. What is the probability of an offspring that is homozygous recessive for all 3 traits?
a)
1/64
b)
1/32
c)
1/8
d)
O
15.
If a female was a carrier for sex-linked color blindness, what percentage of her male children would also be color blind?
a)
0%
b)
25%
c)
50%
d)
100%
16.
In a sex-linked inheritance pedigree you would expect to see
a)
more affected females
b)
all carrier males
c)
more affected males
d)
an equal number of affected males and females
17.
A man who has a sex-linked allele will pass it on to
a)
all his daughters
b)
all his sons
c)
1/2 of his daughters
d)
1/2 of his sons
18.
Which of the following statements best describes what a Barr body is and its significance?
a)
it is an inactivated Y chromosome and results in a man being sterile
b)
It is an inactivated Y chromosome, and the person who has it appears female
c)
It is an inactivated X chromosome and results in females with half their cells have one X inactivated and in the other half of their cells have the other X inactivated
d)
it is an inactivated X chromosome and results in females who are sterile
19.
In humans, hemophilia is an X-linked recessive trait. If a man and a woman have a son who is affected with hemophilia, which of the following is definitely true?
a)
The mother carries an allele for hemophilia
b)
The father carries an allele for hemophilia
c)
The father is afflicted with hemophilia
d)
both parents carry an allele for hemophilia
20.
In peas, the trait for tall plants is dominant (T) and the trait for short plants is recessive (t).  The trait for yellow seeds is dominant (Y) and the trait for green seeds is recessive (y).
A cross between two plants results in 292 tall, yellow plants and 103 short, green plants.  What are the most likely genotypes of the parents?
a)
TtYY x Ttyy
b)
TTYy x TTYy
c)
TTyy x TTYy
d)
TtYy x TtYy
21.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
22.
What is the genotype of the father?
a)
AA
b)
aa
c)
Aa
d)
AA or aa
23.
What are alleles
a)
different forms of the same gene
b)
an alternate step of the cell cycle
c)
body cells
d)
another name for gametes
24.
Which of the following DOES NOT increase variation in the next generation?
a)
Independent Assortment
b)
Random Fertilization
c)
Crossing Over
d)
Asexual reproduction
25.

When crossing a homozygous recessive with a heterozygote, what is the chance of getting an offspring with the homozygous recessive phenotype?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

26.

This pedigree chart is for a family, some of whose members exhibit the recessive trait, woolly hair. Affected individuals are indicated by an open square or circle. What is the likelihood that the progeny of D-3 and D-4 will have wooly hair?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

27.

Which of the following is an example of polygenic inheritance?

a)

pink flowers in snapdragons

b)

The ABO Blood group in humans

c)

Skin color in humans

d)

Huntington's disease in humans

28.

A new species of tulip was recently discovered. A population of pure red tulips was crossed with a population of pure blue tulips. The resulting F1 generation was all purple. This result is an example of which of the following?

a)

Complete dominance

b)

Incomplete dominance

c)

Co-dominance

d)

Linkage

29.

Which of the following is an example of polygenic inheritance?

a)

pink flowers in snapdragons

b)

The ABO Blood group in humans

c)

Skin color in humans

d)

Huntington's disease in humans

30.

If you cross AaBbCc x AABbcc, what's the chance of getting an AABBcc offspring?

a)

12.5%

b)

50%

c)

6.25%

d)

3.13%

31.

The genotype of the affected son and daughter at the bottom of this pedigree must be...

a)

AA

b)

aa

c)

Aa

d)

XaY and XaXa

32.

More than two alleles

a)

Multiple alleles

b)

Pleiotropy

c)

Incomplete penetrance

33.

One gene has many effects (more than one trait)

a)

Multiple alleles

b)

Pleiotropy

c)

Incomplete dominance

34.

A population with a genotype that do not have the associated phenotype

a)

Multiple alleles

b)

pleiotropy

c)

Incomplete penetrance

35.

Degree to which a trait varies among individuals

a)

Lethal alleles

b)

polygenic

c)

expressivity

36.

Multiple genes involved with one trait

a)

Lethal alleles

b)

Polygenic

c)

Expressivity

37.

Phenotype will result in death at some point

a)

Lethal alleles

b)

Polygenic

c)

Expressivity

38.

Each allele is equally dominant

a)

Penetrance

b)

Codominance

c)

Epistasis

39.

Each allele is equally dominant

a)

Penetrance

b)

Codominance

c)

Epistasis

40.

The genotype of a population that actually show the expected phenotypes

a)

Epistasis

b)

Codominant

c)

Penetrance

41.

One gene masks the effects o another's phenotype

a)

Penetrance

b)

Codominance

c)

Epistasis

42.

Multiple genes and the environment play a role in the phenotype

a)

multifactorial

b)

incomplete dominance

c)

phenocopy

43.

Symptoms or patterns similar to those of an inherited trait but are caused by the environment

a)

Multifactorial

b)

Incomplete dominance

c)

Phenocopy

44.

Height of a person

a)

Multifactorial

b)

Pleiotropy

c)

Multiple alleles

45.

Multiple symptoms of disease can be traced back to one defective gene

a)

Multifactorial

b)

Lethal alleles

c)

pleitropy

46.

An organism is a hybrid genotype (Tt) but is appears tall instead of short.

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

47.

If your genotype is Bb, then you can only pass a B or b to your child but you can't pass both.

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

48.

Person A is smart and has brown hair while Person B is also smart but has blonde hair.

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

49.

There are more right-handed people in the world.

a)

Law of Dominance

b)

Law of Segregation

c)

law of Independent Assortment

50.

One gene for the type of earlobes a person will have will be in each gamete.

a)

Law of Dominance

b)

Law of Independent Assortment

c)

Law of Segregation

51.

Law of Segregation

a)

every organism has two alleles which separate when gametes are produced

b)

alleles for traits are the same

c)

genes from different traits are inherited independently of one another

d)

the allele combination of an organism

52.

Law of Independent Assortment

a)

every organism has two alleles which separate when gametes are produced

b)

alleles for traits are the same

c)

genes from different traits are inherited independently of one another

d)

the allele combination of an organism

53.

If a dominant allele is present, the trait will always appear in the organism.

a)

Law of Segregation

b)

Law of Dominance

c)

Law of Independent Assortment

54.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

55.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

56.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

57.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

58.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

59.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

60.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

61.

What is the mode of inheritance for this pedigree?

a)

Autosomal Recessive

b)

Autosomal Dominant

c)

X-linked Dominant

d)

X-linked Recessive

62.
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
63.
a)
Not affected male
b)
Not affected female
c)
Affected male
d)
Affected female
64.
Freckles (F) are dominant over nonfreckles.   What is the phenotype of individual #3
a)
Ff
b)
ff
c)
freckles 
d)
nonfreckles 
65.

an observable characteristic

a)

trait

b)

personality

c)

cell

d)

DNA

66.

A version or variation of a gene

a)

trait

b)

gene

c)

allele

d)

DNA

67.

The alleles that an organism has

a)

genotype

b)

phenotype

c)

chromosome

d)

recessive

68.

An SS fly could be described as (Check all that apply.)

a)

homozygous

b)

heterozygous

c)

dominant phenotype

d)

recessive phenotype

69.

An Ss fly could be described as (Check all that apply.)

a)

homozygous

b)

heterozygous

c)

dominant phenotype

d)

recessive phenotype

70.

What are the 4 possible phenotypes for human blood type?

a)

Type A

b)

Type B

c)

Type BB

d)

Type AB

e)

Type O

71.

What 3 alleles are responsible for the phenotypic expression of ABO Blood types?

a)

IA

b)

IB

c)

ID

d)

i

72.

What determines blood types in humans?

(a)  

73.

What antigen is present on the surface of Red Blood Cells of a type A person?

(a)  

74.

Why can someone with type O blood donate blood to everyone?

a)

because type O blood does have antigens A and B.

b)

because it doesn't have A or B antigens that would cause it to be attacked by antibodies.

75.

Why can people with AB Blood accept blood from anyone?

a)

because they don't have any antigens at all

b)

because they have already both A and B antigens.

76.

What pattern of non-Mendelian inheritance is shown by ABO blood group?

a)

Codominance

b)

Incomplete Dominance

c)

Multiple Alleles

d)

X-linked

77.

If a person has type B blood, the phenotype is B. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

78.

If a person has type A blood, the phenotype is A. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

79.

If a person has type AB blood, the phenotype is AB. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

80.

What antigen is present on the surface of Red Blood Cells of a type O person?

(a)  

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