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Unit 2 AOS 1 Biology

Total questions: 101

Worksheet time: 54mins

Name
Class
Date
1.

A person with a Type A Phenotype would have what potential genotypes?

a)

IAIA

b)

IAi

c)

ii

d)

IAIB

2.

A person with a Type AB Phenotype would have what potential genotypes?

a)

IBIB

b)

IBi

c)

ii

d)

IAIB

3.

A person with a Type O Phenotype would have what potential genotypes?

a)

IBIB

b)

IBi

c)

ii

d)

IAIB

4.

A person with a Type B Phenotype would have what potential genotypes?

a)

IBIB

b)

IBi

c)

ii

d)

IAIB

5.

What is the Genotype for Homozygous "B" allele

a)

IᴬIᴮ

b)

Iᴮi

c)

IᴬIᴬ

d)

IᴮIᴮ

6.

What is the Genotype for Heterozygous Type A Blood

a)

IᴬIᴮ

b)

Iᴬi

c)

IᴬIᴬ

d)

IᴮIᴮ

7.

Two parents think THEIR baby was switched at the hospital. Lulu (mom) has blood type A, and Caesar (dad) has blood type B. The baby has blood type AB. What is the mom's possible genotype? check all that apply

a)

Iᴬi

b)

IᴬIᴬ

c)

Iᴮi

d)

IᴮIᴮ

8.

------is the combination of two alleles that are different from one another.

a)

homozygous

b)

heterozygous

c)

phenotype

d)

trait

9.

The letters that make-up the genetic code for a trait

a)

genotype

b)

heterozygous

c)

phenotype

d)

trait

10.
---- Is the combination of two alleles that are the same
a)
genotype
b)
homozygous
c)
phenotype
d)
trait
11.
----is the type of gene that always shows itself when present
a)
genotype
b)
homozygous
c)
phenotype
d)
dominant
12.
The physical appearance of the allele combination the offspring receives
a)
genotype
b)
homozygous
c)
phenotype
d)
dominant
13.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)
Tall = T
Short = S
b)
Tall = T
Short = t
c)
Tall = t
Short = T
d)
Tall = TT
Short = tt
14.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
15.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
16.
Identify the homozygous dominant genotype:
a)
FF
b)
Ff
c)
ff
17.
Dominant or recessive?
tt
a)
Dominant 
b)
Recessive
18.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
19.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
20.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
21.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
22.

What is the phenotype of the offspring? (A-Brown hair; a-blonde hair) 

a)

50 % Brown Hair and 50% Blonde Hair 

b)

25 % Brown Hair and 75% Blonde Hair 

c)

75 % Brown Hair and 25% Blonde Hair 

d)

0% Brown Hair and 100% Blonde Hair

23.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
24.

What is the chance of offspring born from this cross having a homozygous dominant genotype?

a)

25%

b)

50%

c)

75%

d)

100%

25.

What is the mother's genotype?

a)

DD

b)

Dd

c)

dd

26.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
27.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
28.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
29.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
30.

What do half coloured symbols represent?

a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
31.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
32.
What is this?
a)
Pedigree
b)
Karyotype
c)
Venn diagram
d)
Punnett Square
33.

In this pedigree, which sex can be carriers of colour blindness and not have it?

a)

Just males

b)

Just females

c)

Both sexes

34.
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
35.
If a trait SKIPS a generation, it is an indication that the trait is....
a)
dominant
b)
recessive
c)
incompletely dominant
d)
co-dominant
36.
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
37.

This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the father in generation 1?

a)

Aa

b)

AA

c)

aa

d)

A

38.

In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

a)

Dominant

b)

Recessive

39.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
40.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
41.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
42.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
43.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
44.
What does an open circle represent?
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
45.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
46.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
47.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
48.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
49.
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
50.

Individuals that are shaded in have premature hair whitening. Is this trait dominant or recessive? How do you know?

a)

Dominant because it skips generations

b)

Dominant because it is present in every generation

c)

Recessive because it skips generations

d)

Recessive because it is present in every generation.

51.
How are individuals III-2 and II-4 related?
a)
Cousins
b)
Dad and Daughter
c)
Uncle and Niece
d)
Grandpa and Granddaughter
52.

Huntington's Disease is a dominant trait.

What is the correct genotype for individual I-2?

a)

HH

b)

Hh

c)

hh

d)

H?

53.

This type of inheritance pattern is a MIXTURE of two traits. This is known as ---

a)

incomplete dominance.

b)

codominance

54.

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

a)

Incomplete Dominance

b)

Codominance

55.

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

56.

A woman with curly hair and a man with straight hair produced a child with wavy hair:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

57.

Which horse coat color shows incomplete dominance?

a)

Creme

b)

Chesnut

c)

Palomino

58.
Which genes are most likely linked?
a)
genes 1 & 2
b)
genes 2 & 3
c)
genes 3 & 4
d)
genes 1 & 4
59.
A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the phenotype?
a)
100 % rainbow 
b)
50% yellow and 50% green 
c)
100% green
d)
100% yellow 
60.

"Bent" is a dominant X-linked gene in mice. It results in a short, crooked tail. A recessive allele produces normal tails.

If a normal-tailed female is mated to a bent-tailed male, what are the chances of a female being a carrier?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

61.

"Bent" is a dominant X-linked gene in mice. It results in a short, crooked tail. A recessive allele produces normal tails.

If a normal-tailed female is mated to a bent-tailed male, what are the chances of a female being homozygous?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

62.

"Bent" is a dominant X-linked gene in mice. It results in a short, crooked tail. A recessive allele produces normal tails.

If a normal-tailed female is mated to a bent-tailed male, what are the chances of a female being heterozygous?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

63.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their son will be normal?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

64.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their son will be a carrier?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

65.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their son will be a normal?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

66.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their daughter will be a normal?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

67.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their daughter will be a carrier?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

68.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their daughter will be heterozygous?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

69.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that their daughter will be homozygous?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

70.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that they will have a normal child?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

71.

 The bison herd on Konza Prairie has begun to show a genetic defect. Some of the

males have a condition known as "rabbit hock" in which the knee of the back leg is

malformed slightly. Assume the genes controlling this trait are sex-linked and that

the "rabbit hock'" is recessive (r) not normal knee (R).

Now, suppose that the herd bull is normal and mates

with a cow (female) that is a carrier for rabbit hock. What are the chances that they will have a child with a rabbit hook knee?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

72.

Which option below best completes this sentence:

Genetic variation refers to

a)

the presence of genetic similarities between individuals

b)

the presence of genetic differences between individuals

c)

similarities in the DNA sequence between individuals

d)

differences in alleles between individuals

73.
What phase is  shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
74.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
75.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)
segregation of sister chromatids
b)
condensation and segregation of alleles
c)
mutationin which the DNA content of the gene is altered
d)
crossing - over in which alleles are exchanged
76.
The correct order of the phases of mitosis and meiosis could be abbreviated as:
a)
MAPT
b)
PAMT
c)
TPAM
d)
PMAT
77.
The nuclear membrane dissolves during
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
78.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
79.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
80.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
 Metaphase I
81.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
82.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
83.
Meiosis results in the production of
a)
2 diploid cells
b)
2 haploid cells
c)
4 haploid cells
d)
4 diploid cells
84.
Which of the following is NOT a part of mitosis?
a)
prophase
b)
anaphase
c)
metaphase
d)
interphase
85.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
86.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
87.
What are chromosomes?
a)
different versions of genes
b)
condensed DNA 
c)
uncoiled DNA
88.

What is the process called where a sperm and egg make a zygote?

a)

Fertilisation

b)

Budding

c)

Fragmentation

d)

Zygotisation

89.

A cell that results from fertilization is called a _?

a)

gamete

b)

sperm

c)

yolk

d)

zygote

90.

How many chromosomes do sperm cells have?

(a)  

91.

How many chromosomes does a zygote have?

(a)  

92.

How many chromosomes do egg cells have?

(a)  

93.

​ When the ​ (a)   of a sperm cell joins the nucleus of an (b)   cell, ​ (c)   occurs and a ​ (d)   is made.

Choose from the below words
nucleus
egg
fertilisation
zygote
gamete
94.

By looking at the chromosomes how can you tell that this person is biologically female?

a)

Because there are two X chromosomes

b)

Because there are more chromosomes than in a male

95.

By looking at the chromosomes is this individual biologically male or female? How do you know?

a)

Female, because they have two X chromosomes

b)

Male, because they have one X and one Y chromosome

96.

What is the mutation in this persons chromosomes?

a)

There is only one X

b)

7 is shaped like a hockey stick

c)

There's an extra 21

d)

1 is too curved

97.

This is called Turners syndrome, can you notice the mutation in the chromosomes?

a)

Both chromosomes 1 are bent

b)

There are too many chromosomes

c)

There are too many of chromosome 3

d)

There is no Y chromosome

98.

These are the chromosomes of someone with Kleinfelters syndrome. What is different about their chromosomes?

a)

There is only one Y chromosome

b)

One of the 5th chromosomes is too curved

c)

There is an extra X chromosome

d)

There are too few chromosomes

99.

This disorder is called "Cry of the cat", can you find the chromosomal mutation?

a)

There are too many chromosomes

b)

They are missing the Y chromosome

c)

Chromosome 1 is bent

d)

Chromosome 5 is too short (missing a piece)

100.

This person has Angel Mans syndrome. What is different about their chromosomes?

a)

Chromosome 1 is misshapen

b)

Chromosomes 21 is too small

c)

They are missing one of chromosome 15

d)

Chromosomes 7 and 8 look weird

101.

Based on the karyotype, can you guess the name of this genetic disorder?

a)

Curvy 3

b)

Jacob's syndrome

c)

Triple X

d)

Superwoman syndrome

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