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Heredity Quiz

Total questions: 90

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

___________________________ is the study of how traits are passed on, or inherited.

a)

dominant traits

b)

ratio

c)

phenotype

d)

genetics

2.

A ________________________ is used to predict the possible genotype from certain parents

a)

Mendel Grid

b)

Genetic Tic Tac Toe

c)

Punnett Square

d)

Pedigree Plot

3.

What is a dominant allele?

a)

A trait that is always shown (capital letter)

b)

A trait that can be hidden (lower case letter)

c)

Alleles that are the same

d)

Alleles that are different

4.

What is a gene?

a)

An entire chromosome that codes for a trait

b)

a piece of clothing

c)

a piece of a DNA on chromosome that codes for a trait

d)

Chemical messengers in your brain that code for a trait

5.

How many are tall? (Tall is dominant)

a)

0

b)

1

c)

2

d)

4

6.

What are the two genotypes that show the DOMINANT Phenotype

a)

GG, gg

b)

GG, Gg

c)

Gg, gg

7.

What is Bb?

a)

Homozygous

b)

Heterozygous

c)

Recessive

d)

Alleles

8.

He is known as the father of modern day genetics.

a)

Greg Mendeleev

b)

Gregory Mandle

c)

Gregor Mendel

d)

Grace Molbov

9.

The cells produced via meiosis are called:

a)

sex cells

b)

somatic cells

c)

body cells

d)

skin cells

10.

______________________ is the mathematical chance that something will happen

a)

division

b)

selective breeding

c)

ratio

d)

probability

11.

What percentage of the offspring will have this recessive disease?

a)

0%

b)

25%

c)

50%

d)

75%

12.

Which gender can be carriers of colorblindness and not have it?

a)

Just males

b)

Just females

c)

Both genders

13.

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?

a)

sex-linked trait

b)

polygenic trait

c)

codominant trait

d)

incomplete dominance trait

14.

This is an example of

a)

Co-dominance

b)

Incomplete dominance

c)

Dominance

d)

Recessive dominance

15.

This is

a)

Incomplete Dominance

b)

Dominance

c)

Co-dominance

16.

When neither allele is dominant or recessive and the effects of each are mixed

a)

Codominance

b)

Incomplete Dominance

c)

Mixed Dominance

d)

None of the above

17.

This is

a)

Codominance

b)

Incomplete dominance

18.

This is

a)

Co-dominance

b)

Incomplete dominance

19.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
20.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
21.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
22.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
23.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
24.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
25.

Which of the following are genotypes for blood type B?

a)

IA IA and IA IB

b)

IB IB and ii

c)

IB IB and IB i

d)

IA IB and IA IB

26.

In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?

a)

0%

b)

25%

c)

50%

d)

100%

27.

Which of the following is true about blood type O?

a)

It contains antigen A only.

b)

It contains antigen B only.

c)

It contains both antigen A and antigen B.

d)

It doesn’t contain antigen A or antigen B.

28.

___________ is when both the dominant trait and recessive trait are seen in the phenotype.

a)

Codominance

b)

Punnett squares

c)

Complete dominance

d)

Incomplete dominance

29.

In the image above, the trait for flower color is controlled by codominance. R codes for red flowers and W codes for white flowers. Which of the following correctly reports the phenotypes?

a)

100% red flowers

b)

50% white flowers and 50% pink flowers

c)

50% red flowers and 50% red and white flowers

d)

50% white flowers and 50% red flowers

30.

Which of the following genotypes code for the blood type AB?

a)

IA IA and IA IB

b)

IA IB only

c)

IA IB and IB i

d)

ii only

31.

Which of the following codes for blood type O?

a)

IA IA

b)

IB i

c)

IA IB

d)

ii

32.

In an incomplete dominant cross, B codes for red flowers and b codes for white flowers. Which genotype will show white flowers in the phenotype?

a)

BB

b)

Bb

c)

bb

d)

Bb and bb

33.

The image above shows the incomplete dominant cross where D codes for straight hair in dogs and d codes for curly hair in dogs. The incomplete dominant trait is wavy hair. Which of the following statements is true about the offspring?

a)

Only the heterozygous genotype can code for wavy hair.

b)

Only the homozygous dominant genotype can code for wavy hair.

c)

Only the homozygous recessive genotype can code for wavy hair.

d)

The homozygous recessive and homozygous dominant genotypes can code for wavy hair.

34.
What type of inheritance is shown?
a)
complete
b)
incomplete
c)
codominance
d)
sex-linked
35.
If you cross a black chicken with a white chicken, only checkered chickens would be produced.  What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
c)
polygenic trait
d)
blocked trait
36.
What is the FUNCTION of a punnett square?
a)
Identifies the location of a gene.
b)
Determines the DNA sequence of an organism.
c)
Predicts the possible results of a genetic cross.
d)
Tests for the presence of dominant alleles.
37.
What is another name for heterozygous?
a)
Hybrid
b)
Purebred
c)
Codominant
d)
Mixed Breed
38.
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
39.
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
40.
What goes in box 1
a)
AABb
b)
AABB
c)
aabb
d)
AaBb
41.
What goes in box 6
a)
AaBB
b)
AABB
c)
aaBB
d)
AAbb
42.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
43.
What goes in box 15
a)
abab
b)
ABAB
c)
aBaB
d)
AbAb
44.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
45.
In a dihybrid cross
a)
one trait is crossed.
b)
two traits are crossed.
c)
four boxes are needed for the punnett square.
d)
mom's alleles are dominant.
46.
circumstance where the expression of one gene is affected by the expression of one or more independently inherited genes
a)
epigenetics
b)
epistasis
c)
epigenome
d)
enzyme
47.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
48.
What are the blood types of the possible children that a woman (type O) and man (type AB) can have?
a)
O and AB
b)
O and A
c)
O and B
d)
A and B
49.
When the expression of a trait is controlled by multiple alleles this is called?
a)
 Epistasis 
b)
Multiple Genes
c)
Multiple Alleles 
d)
Multiple DNA
50.
When the heterozygous phenotype displays properties of both the phenotypes at the same time, this is called?
a)
Domiance
b)
Multi-Dominace
c)
Incomplete Dominace
d)
Co-Dominance
51.
When the heterozygous phenotype is a blend of the two other phenotypes, this is called...
a)
Complete Dominance
b)
Uncomplete Dominance
c)
Incomplete Dominance 
d)
Homozygous Dominant 
52.

Which of the following means many traits?

a)

Codominance

b)

Multi-Genetics

c)

Polygenic

d)

Incomplete Dominance

53.
Type of Trait that is controlled by MANY genes at once. Many Genes will 'contribute' to one phenotype.
a)
Multiple Allele Trait
b)
Polygenic Trait
c)
Monogenic Trait
d)
Co-Dominant Trait
54.
This graphic shows an example of...
a)
Sex Linked Trait
b)
Complete Dominance
c)
Co-Dominance
d)
Incomplete Dominance
55.
This graphic shows an example of...
a)
Sex Linked Trait
b)
Complete Dominance
c)
Co-Dominance
d)
Incomplete Dominance
56.
Which disease or disorder is the result of having an extra chromosome?
a)
Cystic Fibrosis
b)
Down Syndrome
c)
Colorblindness
d)
Sickle-cell Disease
57.
Which disease or disorder causes people to have abnormal hemoglobin?
a)
Cystic Fibrosis
b)
Albinism
c)
Sickle-cell Disease
d)
Down Syndrome
58.
A doctor may use a _________ to examine the chromosomes in a cell.
a)
x-ray
b)
blood test
c)
karyotype
d)
hemoglobin
59.
Which genetic disorder or disease is a sex-linked trait and carried on the X chromosome?
a)
Cystic Fibrosis
b)
Sickle-cell Disease
c)
Hemophilia
d)
Down Syndrome
60.
In order to trace occurrence of a trait through several generations of a family, you could create a ____________.
a)
karyotype
b)
hemoglobin
c)
pedigree
d)
chromosomal map
61.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
62.
a)
This karyotype shows Trisomy 21
b)
This karyotype has no abnormality
c)
This karyotype is missing a sex chromosome (monosomy x)
d)
This karyotype is from a gamete
63.
Which of the following is true of your sex chromosomes?
a)
I have two Y chromosomes.
b)
I have at least one X chromosomes.
c)
They aren't developed until I turn 13.
d)
They are afraid of one another.
64.

Which of the following is a result of a nondisjunction?

a)

Klinefleter syndrome

b)

Sickle cell anemia

c)

Cystic fibrosis

d)

Hemophilia

65.

Which of the following is a autosomal dominant disorder?

a)

Huntington's

b)

Cystic fibrosis

c)

Hemophilia

d)

Sickle cell anemia

66.

Which of the following is a sex-linked disorder?

a)

Hemophilia

b)

Sickle cell anemia

c)

Cystic fibrosis

d)

Huntington's

67.

Which of the following cause frameshift mutations?

a)

insertions and deletions

b)

translocations and nondisjunctions

c)

duplicaitons and deletions

d)

inversions and substitutions

68.

Find the correct statement about Colour Blindness in humans.

a)

It is inherited as sex linked dominant pattern

b)

A colour blind boy can receive a colour blind ‘gene’ from his father

c)

red/green colour blindness is far more common in men than women

d)

The gene for colour blindness is carried on Y chromosome due to which it is more common in males

69.
Hemophilia is a sex-linked recessive disorder. A woman with hemophilia marries an unaffected man whose father had hemophilia. What percentage of their daughters will have hemophilia?
a)
0%
b)
25%
c)
50%
d)
100%
70.
Colorblindness is a sex-linked recessive disorder. A normal woman whose father was colorblind marries a man with normal color vision. What percentage of their sons will be colorblind?
a)
0%
b)
25%
c)
50%
d)
100%
71.
Colorblindness is a sex-linked recessive disorder. If the daughter of a couple is colorblind, what are the two possible genotypes of her mother?
a)
XAXA and XAXa
b)
XAXA and XaXa
c)
XAXa and XaXa
d)
Cannot be determined
72.
If a trait shows up more commonly in men than women it is probably
a)
not inherited
b)
on the x chromosome and dominant
c)
on the x chromosome and recessive
d)
on a normal body chromosome
73.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
74.
Which of the following is NOT a sex-linked trait?
a)
Color-blindness
b)
Muscular Dystrophy
c)
Huntington disease
d)
Hemophilia
75.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
76.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
77.
Colorblindness is a recessive x-linked disorder.
Which genotype represents a male with normal vision?
a)
XNXN
b)
XnXn
c)
XNY
d)
XnY
78.
Vitamin D resistant rickets (deformed bone formation) is a sex-linked DOMINANT trait.  According to the Punnett square, what percentage of female offspring will have the disorder?
a)
0%
b)
25%
c)
50%
d)
100%
79.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
80.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
81.
How many boys did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
82.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
83.
Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?
a)
HH
b)
Hh
c)
hh
d)
H_
84.
Give the genotype for person III-3.
a)
GG
b)
Gg
c)
gg
d)
we cannot be 100% sure of the genotype
85.
Give the genotype for person II-1, for this autosomal trait.
a)
GG
b)
Gg
c)
gg
d)
we cannot be 100% sure of the genotype
86.
If hemophilia is a sex-linked recessive trait, what genotype would individual III-3 have?
a)
XbX
b)
XbXb
c)
XbYb
d)
XbY
87.
If a trait SKIPS a generation, it is an indication that the trait is....
a)
dominant
b)
recessive
c)
incompletely dominant
d)
co-dominant
88.
If a trait is more likely to appear in one sex over the other......
a)
the trait is probably sex-linked.
b)
the trait is probably autosomal.
c)
the trait is probably co-dominant
d)
the trait if probably incompletely dominant
89.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
d)
Co-dominant
90.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above

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