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Genetics (HHS)

Total questions: 51

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

A cancer cell has what unique characteristic that a healthy cell will not have?

a)

faster growth

b)

large size

c)

more frequent cell division

d)

slower growth

2.

In mitosis, the end product is...

a)

2 haploid cells

b)

2 diploid cells

c)

4 haploid cells

d)

4 diploid cells

3.

In meiosis, the end product is...

a)

2 haploid cells

b)

2 diploid cells

c)

4 haploid cells

d)

4 diploid cells

4.

If an organisms diploid cells have 6 chromosomes, how many do the haploid cells have?

a)

2

b)

3

c)

6

d)

12

5.

If a cell has a haploid number of 10, what is the diploid number?

a)

5

b)

10

c)

20

d)

25

6.

two of the same allele

a)

homozygous

b)

heterozygous

c)

recessive

d)

dominant

7.

phenotype

a)

the genetic make up of an organism

b)

the physical expression of a trait

c)

the change in the DNA

d)

the result of plastic surgery

8.

genotype

a)

the genetic make up of an organism

b)

the physical expression of a trait

c)

the change in the DNA

d)

the result of plastic surgery

9.
variations of a gene
a)
trait
b)
monohybrid cross
c)
dihybrid cross
d)
alelle
10.
a cross of one pair of contrasting traits
a)
trait
b)
monohybrid cross
c)
dihybrid cross
d)
alelle
11.
a cross of two pairs of contrasting traits
a)
trait
b)
monohybrid cross
c)
dihybrid cross
d)
alelle
12.

What is the genotype of a heterozygous rabbit with long ears if short is recessive to long?

a)

Ll

b)

LL

c)

ll

d)

you cannot tell

13.
What percentage of plants will have yellow seeds if you cross a heterozygous green seed with a homozygous recessive yellow seed?  Use a Punnet square!
a)
25
b)
50
c)
75
d)
100
14.
Mendel's parental generation of plants was always _______ for a trait.  
a)
true bred
b)
recessive
c)
dominant
d)
codominant
15.

A woman who is a carrier of hemophilia passes it on to one of her sons, but none of her daughters has the disease. This may be because hemophilia is

a)

incompletely dominant

b)

codominant

c)

polygenic

d)

X-linked

16.

blue and red flowers produce purple flowers

a)

incomplete dominance

b)

codominance

c)

polygenic inheritance

d)

multiple alleles

17.

a breed of dog has black fur, brown fur, or black and brown mottled fur

a)

incomplete dominance

b)

codominance

c)

polygenic inheritance

d)

multiple alleles

18.

blue and red flowers produce blue flowers with red edges

a)

incomplete dominance

b)

codominance

c)

polygenic inheritance

d)

multiple alleles

19.

eye color is controlled by several different genes (for example AaBbCcDdEe)

a)

incomplete dominance

b)

codominance

c)

polygenic inheritance

d)

multiple alleles

20.

the blood types A, B, AB, and O are examples of

a)

codominance and multiple alleles

b)

codominance

c)

simple Mendelian dominance

d)

multiple alleles

21.
traits that are controlled by more than one gene
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
multiple alleles
22.
having one allele for each trait
a)
haploid
b)
diploid
c)
recessive
d)
identical
23.
the genotype of a female who exhibits a recessive X-linked trait
a)
XGXg
b)
XXg
c)
XgXg
d)
XGY
24.
What genotype do I have if I have type B blood?
a)
B
b)
BO
c)
BB
d)
BB or BO
25.
Which blood type is universal donor?
a)
A
b)
B
c)
AB
d)
O
26.
Which blood type is universal recipient?
a)
A
b)
B
c)
AB
d)
O
27.
What is the chance of a couple who are both AB having a baby with type B?  (do a Punnett square)
a)
25
b)
50
c)
75
d)
0
28.
 A person with type O marries a person with type AB.  Can their kids have type A blood?  type B blood?
a)
yes to A, no to B
b)
yes to B, no to A
c)
yes, either A or B
d)
no, all will be AB
29.

A muscle cell for a lizard has 26 chromosomes. How many are in an egg cell?

a)

26

b)

52

c)

13

d)

There is no way to know

30.
A woman has blue eyes, which are recessive, and is heterozyous dominant for curly hair. What combinations of these traits could she have in her eggs?  
a)
Cb, CB
b)
Cb, cb
c)
cB, CB
d)
Ccbb
31.
A woman is heterozygous dominant for curly hair and homozygous dominant for brown hair.  Her genotype is
a)
CCBB
b)
CcBB
c)
Ccbb
d)
ccBb
32.
A person is heterozygous dominant for freckles and homozygous recessive for blue eyes.  How many different gamete combinations can this produce?
a)
one
b)
two 
c)
three
d)
four
33.
A person is heterozygous dominant for freckles and homozygous recessive for blue eyes.  Which gamete combinations can this produce?
a)
FFbb and ffbb
b)
FB, fB
c)
Fb, fb, FB, fB
d)
Fb, fb
34.
A person is heterozygous dominant for freckles and heterozygous dominant for brown eyes.  How many different gamete combinations can this produce?
a)
one
b)
two 
c)
three
d)
four
35.
A person is heterozygous dominant for freckles and heterozygous dominant for brown eyes.  Which gamete combinations can this produce?
a)
FB, Fb, fB, fb
b)
FfBb
c)
FFBb
d)
Fb, FB, fB, fB
36.
Which are gametes?
a)
eggs and sperm
b)
muscle cells
c)
germ cells
d)
all cells in your body are gametes
37.
An allele that is masked or covered up by the presence of a dominant allele?
a)
Recessive Allele
b)
Dominant Allele
c)
Hybrid Allele
d)
Purebred Allele
38.
An allele that ALWAYS shows up in the organism when it is present.
a)
Purebred
b)
Hybrid
c)
Dominant
d)
Recessive
39.
Red/green color blindness is a recessive sex-linked trait.  A woman who is a carrier for this allele marries a normal-vision male.  What is the probability that they will have a child who is color blind?
a)
1/4
b)
1/2
c)
3/4
d)
1
40.
Dimples are a dominant trait in humans.  Which of the genotypes below could be found in the cells of individuals with dimples?    
(D= Dominant Allele,
d= recessive allele)
a)
dd only
b)
DD, dd
c)
DD, Dd
d)
Dd only
41.
Which of Mendel's laws states that alleles are separated during meiosis?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
42.

Which of Mendel's laws states that alleles are distributed to gametes independent of one another?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

d)

Law of Meiosis

43.
Which of the following is an example of a homozygous recessive genotype?
a)
RR
b)
Rr
c)
rr
44.

If a person has a genotype of Rr, what do you know about their gametes (sex cells)?

a)

They will all carry the R allele.

b)

They will all carry Rr.

c)

Some will carry R, some will carry r.

d)

They will all carry the r allele.

45.
Refer to the illustration. The child in box 1 in the Punnett square would
a)
be homozygous for freckles
b)
have an extra freckles chromosome
c)
be heterozygous for freckles
d)
not have freckles
46.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
47.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
48.

Having dimples is dominant (D). No dimples is recessive (d)

Having freckles is dominant (F). No freckles is recessive (f).

What is the genotype of a person with no freckles and no dimples?

a)

DDFF

b)

DdFf

c)

ddFF

d)

ddff

49.

Having dimples is dominant (D). No dimples is recessive (d)

Having freckles is dominant (F). No freckles is recessive (f).

What is the genotype of a person with no freckles and and heterozygous for dimples?

a)

DdFF

b)

Ddff

c)

ddFF

d)

ddff

50.

In guinea pigs, black fur is dominant (B). Brown is recessive (b).

Rough fur is dominant (R). Smooth fur is recessive (r).

What is the genotype of a guinea pig that is heterozygous for black fur and homozygous for rough fur?

a)

BbRR

b)

Bbrr

c)

BBRr

d)

BbRr

51.

In guinea pigs, black fur is dominant (B). Brown is recessive (b).

Rough fur is dominant (R). Smooth fur is recessive (r).

What are the possible gametes of a guinea pig that is heterozygous for both (BbRr)?

a)

BR, Br, bR, br

b)

BB, Br, bR, bR

c)

BR, Br, Br, bR

d)

BB, Br

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