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OST: Heredity

Total questions: 90

Worksheet time: 4hrs 48mins

Name
Class
Date
1.

According to the Punnett Square, what is the percent probability that the parents will have heterozygous children.

a)

100%

b)

50%

c)

25%

d)

0%

2.

The passing of physical characteristics from parents to offspring.

a)

hybrid

b)

heredity

c)

reviewing

d)

purchasing

3.

A= Long Lashes

a= Short Lashes

According to the Punnett Square, what is the probability that the offspring will have have long lashes?

a)

100%

b)

75%

c)

50%

d)

25%

4.
Which of the following is the correct organization of genetic material from largest to smallest
a)

nucleus 

b)

chromosomes

c)

genes

d)

DNA

1)
2)
3)
4)
5.

Heredity is the passing of traits from _____________________ to _____________________

a)

predators to prey

b)

water to rain

c)

parents to offspring

d)

fungi to protists

6.

Crossing over in organisms is responsible for...?

a)

Dominance of genes

b)

Recombination of genes

c)

Linkage

d)

Segregation of alleles

7.

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

a)

ATG TGA CAG

b)

TAC ACT GTC

c)

GTA AGT GAC

d)

CAT TCA CTG

8.

Which of the following best describes a DNA molecule?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

9.

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

a)

cytosine

b)

guanine

c)

thymine

d)

uracil

10.

Which 2 molecules form the sides (backbone) of the DNA ladder?

a)

deoxyribose sugar and adenine

b)

deoxyribose sugar and a hydrogen bond

c)

deoxyribose sugar and the nucleus

d)

deoxyribose sugar and phosphate

11.

Why is it crucial that living things are able to replicate their DNA?

a)

Each cell must have its own DNA

b)

Less copies of DNA are needed when a new cell is created

c)

A cell needs multiple copies of DNA

d)

Only muscle cells need DNA 

12.

What are the three components of a nucleotide?

a)

sugar, hydrogen, nitrogen base

b)

sugar, oxygen, nitrogen base

c)

sugar, phosphate, nitrogen base

d)

sugar, phosphate, protein

13.

If this is an autosomal recessive inheritance, which of the following would be true statements about carriers of this trait?

a)

In generation 1, person 1 is a carrier, but 2 would not have to be a carrier.

b)

In generation III, both 1 and 2 have to be carriers.

c)

In generation II, 1, 3, and 4 have to be carriers.

d)

In generation IV, 2,3 and 4 must be carriers.

14.

How is this trait inherited?

a)

autosomal dominant

b)

autosomal recessive

c)

x-linked dominant

d)

x-linked recessive

15.

Looking at this karyotype, what atypical chromosome grouping do you observe?

a)

lack of a y chromosome

b)

trisomy 13 (3 copies of 13)

c)

just a typical girl

d)

just a typical boy

16.

Looking at this karyotype, what atypical chromosome grouping do you observe?

a)

This is a male without a y chromosome.

b)

This is a female without a second X chromosome.

c)

Nothing atypical

17.

What is an autosome?

a)

automobile built for one person

b)

chromosome that does not determine gender

c)

chromosome that does determine gender

d)

a plant because they do photosynthesis

18.

Which of these statements is true?

a)

Humans have the highest number of chromosomes among mammals.

b)

All mammals have the same number of chromosomes.

c)

Different species have a different number of chromosomes.

d)

More than one choice is true.

19.

In a cross between a white, terminal (recessive) and red, axial (dominant), what is the probability of a red, axial offspring?

a)

1/16

b)

3/16

c)

9/16

d)

16/16

20.

In a cross between a white (recessive) and red (dominant), what is the probability of a pink offspring?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

21.

Identify which of the following descriptions about dominance are correct

a)

Incomplete dominance involves the homozygous dominant and heterozygous looking the same.

b)

Incomplete dominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits.

c)

Codominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits

d)

Codominance involves the homozygous dominant and heterozygous looking the same.

22.

The inherited combination of alleles is called the ______

a)

genotype

b)

phenotype

c)

chromosome

d)

DNA

23.

An organism's inherited appearance is called _______.

a)

genotype

b)

phenotype

c)

chromosome

d)

DNA

24.

Different forms of a single gene are called a(n) _________.

a)

gene

b)

chromosome

c)

allele

d)

genotype

25.

Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype pp be?

a)

purple

b)

white

c)

pink

d)

yellow

26.

Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype Pp be?

a)

purple

b)

white

c)

pink

d)

yellow

27.

If a gene has dissimilar pairs of alelles for any hereditary characteristic it is called

a)

homozygous

b)

heterozygous

c)

codominant

d)

dominant

28.

TRUE OR FALSE: Segments of DNA that carry hereditary instructions and are passed from parent to offspring and are located on the chromosomes are called alleles.

a)

True

b)

False

29.

TRUE OR FALSE: A genotype of mm would be homozygous recessive.

a)

True

b)

False

30.

B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.

a)

they have same phenotype and genotype

b)

they have different genotypes and phenotypes

c)

they have same phenotype but different genotypes

d)

they have same genotype but different phenotypes

31.

Look at the following partial Punnett square for the widow's peak trait. Which of the following can be concluded about the genotype of each parent? 

a)

One parent is heterozygous, the other parent is homozygous recessive.

b)

Both parents are homozygous dominant. 

c)

One parent is homozygous dominant; the other parent is heterozygous. 

d)

Both parents are homozygous recessive. 

32.

A characteristic that an organism can pass on to its offspring through its genes is called ____________________.

a)

Gene

b)

Chromosome

c)

Trait

d)

Genetics

33.

A segment of DNA on a chromosome that codes for a specific trait is called __________________________.

a)

Gene

b)

Chromosome

c)

DNA

d)

Double Helix

34.

An alternative form (different version) of a gene is called an ________________________________.

a)

Trait

b)

Dominant

c)

Recessive

d)

Allele

35.

Two identical alleles for a trait

a)

Homosapien

b)

Heterogeneous

c)

Heterozygous

d)

Homozygous

36.

Which of the following is NOT common to both mitosis and meiosis?

a)

The DNA in the chromosomes is duplicated.

b)

The cells divide into equally sized halves.

c)

There is a reduction in the number of chromosomes in daughter cells.

d)

The chromosomes align themselves at opposite ends of the cells.

37.

The genetic code is the set of instructions that translates genetic material into proteins. This code defines how sequences of three nucleotides specify which amino acid will be added next during protein synthesis. Each sequence of three nucleotides is called —

a)

a protein

b)

a codon

c)

a DNA molecule

d)

a mutagen

38.

During division, the code for the protein cytochrome-C had the code for proline changed to the code for leucine. This type of change in the genetic material is known as a –

a)

point mutation

b)

chromosomal mutation

c)

redundant mutation

d)

frameshift mutation

39.

Which of the following shows a mutation that does not change the shape or the chemical nature of the protein so that it still functions normally?

a)

UCC to GAC

b)

UCC to UAA

c)

UCC to UGC

d)

UCA to AGC

40.

The diagram below shows a section of DNA undergoing the transcription process. The purpose of transcription is to create —

a)

a sequence of RNA bases that organizes a sequence of DNA bases.

b)

a sequence of DNA bases that deletes a sequence of RNA bases.

c)

a sequence of RNA bases that complements a sequence of DNA bases.

d)

a sequence of DNA bases that duplicates a sequence of RNA bases

41.

In humans blood type is determined by the A, B, and O alleles. The A and B alleles are codominant to each other and dominant over the O allele. An individual with the AO genotype and an individual with the BO genotype can produce offspring with which of the following phenotypes?

a)

O only

b)

A or B only

c)

A, B, or O only

d)

A, B, AB, or O

42.

A sequence of a DNA template strand is shown below.

3’ TCC AAT GGC TTA TTT GCA 5’

Which of these is the correct amino acid chain produced from the DNA template strand

a)

Arginine - Leucine - Proline - Asparagine - Lysine - Arginine

b)

Tryptophan - Phenylalanine - Leucine - Glycine - Asparagine - Phenylalanine

c)

Serine - Leucine - Proline - Asparagine - Lysine - Arginine

d)

Tryptophan - Phenylalanine - Leucine - Glycine - Asparagine - Serine

43.

The Himalayan rabbit’s habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur. A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur. Which of these bests explains why the hair that grew back where the ice pack was placed was black and not white?

a)

The genes for black hair were activated by specific temperatures.

b)

The white hair mutated to black hair as the rabbit’s body temperature decreased.

c)

The coat color changed from white to black with the age of the rabbit.

d)

White hair only grows during certain times of the year.

44.

Students are given data from an investigation that identified some of the chemical elements present in four different samples.

Which sample was most likely DNA?

a)

Sample 1

b)

Sample 2

c)

Sample 3

d)

Sample 4

45.

A certain mutation in the gene for hemoglobin results in the red blood cells becoming sticky, rigid, and irregularly shaped. These irregularly shaped red blood cells block the flow of blood throughout the body. A single base mutation is responsible for these irregularly shaped blood cells.

Which of these mutations most likely results in the mutated hemoglobin gene?

a)

insertion

b)

deletion

c)

duplication

d)

substitution

46.

Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

a)

The number of hydrogen bonds that hold the strands of DNA together.

b)

The number of carbons in the DNA molecule.

c)

The sequence of nucleotide bases in the DNA molecule.

d)

The sequences of phosphates along each DNA strand.

47.

mRNA codon AAA codes for which amino acid

a)

ASPARAGINE

b)

LYSINE

c)

SERINE

d)

ARGININE

48.

WHAT IS #3 (ITS CARRYING AND AMINO ACID)

a)

T RNA

b)

M RNA

c)

R RNA

49.

Which of the following is NOT common to both mitosis and meiosis?

a)

The DNA in the chromosomes is duplicated.

b)

The cells divide into equally sized halves.

c)

There is a reduction in the number of chromosomes in daughter cells.

d)

The chromosomes align themselves at opposite ends of the cells.

50.

The process by which the genetic code of DNA is copied into a strand of RNA is called

a)

translation

b)

transcription

c)

transformation

d)

replication

51.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

52.
What part of a nucleotide accounts for the genetic variation between individuals?
a)
phosphate
b)
nitrogenous base
c)
deoxyribose
d)
sugar
53.

RNA has what base that is instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

54.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
55.

What is the building block of the biomolecule, Nucleic Acid?

a)
b)
c)
d)
56.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

57.
Translation takes place in the 
a)
ribosome
b)
chloroplast
c)
nucleus
d)
mitochondria
58.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
59.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

60.

Which genes in this picture are linked?

a)

A and C

b)

B and C

c)

A and B

d)

none of them

61.

What process does this show?

a)

independent assortment

b)

polyploidy

c)

chromosome map

d)

crossing over

62.

Which genes will have the greatest chance of being separated during crossing over?

a)

B and C

b)

A and B

c)

C and D

d)

D and A

63.

Given the crossover frequency of each of the following genes, construct a chromosome map.  

Gene    Frequency of Crossover

A-C            30%

B-C            45%

B-D            40%

A-D            25%

a)

A - B - C - D

b)

B - D - A - C

c)

B - A - D - C

d)

C - A - D - B

64.
Restriction Enzymes . . . 
a)
cut DNA at precise locations
b)
help bacteria to pick up DNA
c)
move DNA through a gel
d)
copy DNA
65.
This picture shows the restriction sites on Lambda DNA for an enzyme called OhsIII. How fragments would be produced using OhsIII.
a)
4
b)
5
c)
6
d)
7
66.

On a pedigree, this symbol represents a ----

a)

not affected male.

b)

not affected female.

c)

affected male.

d)

affected female.

67.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

68.

How are individuals III-2 and II-4 related?

a)

Brother and sister

b)

Dad and daughter

c)

Uncle and niece

d)

Grandfather and granddaughter

69.

On this pedigree, the allele for curly hair is dominant. The couple labeled 2 both have curly hair, but have a daughter who does not have curly hair. Therefore, we can tell from the chart that for the couple labeled 2 -

a)

the male is heterozygous and the female is heterozygous.

b)

the male is homozygous recessive and the female is homozygous dominant.

70.

To discover whether an animal showing the dominant trait is homozygous or heterozygous, it must be crossed with an animal that is:

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

d)

choices B & C

71.
Original: A A U U G G C C
Mutated: A U U U G G C C
What kind of mutation occurred?
a)
Substitution
b)
Addition
c)
Deletion
d)
Frameshift
72.
A frameshift mutation can occur with either _________ or __________ mutations.
a)
Addition, division
b)
Deletion, substitution
c)
Addition, substitution
d)
Addition, deletion
73.

A mutation in the third base of a codon for the amino acid Proline (Pro) will always be a silent mutation. Which of the following pieces of information best supports this claim?

a)

Proline is always made from the same 3 bases

b)

As long as the first two bases on the mRNA codon are both C, it will always code for proline; regardless of the 3rd base

c)

Proline is a stop codon, so it isn't actually an amino acid and therefore cannot be mutated

d)

Proline has evolved to become resistant to harmful mutations

74.
Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
a)
deletion frameshift
b)
insertion frameshift
c)
substitution
d)
nonsense
75.
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
76.
What did Erwin Chargaff conclude from his experiments?
a)
Nitrogen bases are held together by peptide bonds
b)
A and T, C and G always occur in equal amounts
c)
Proteins are the carriers of genetic information
d)
C and G rarely occur in eukaryotic organisms
77.
What was Watson and Crick's main scientific accomplishment?
a)
Building the first accurate model of DNA
b)
Isolating strains of pneumonia causing bacteria
c)
Determining base pairing rules
d)
Discovering the process of genetic transformation
78.
By using radioactive isotopes, Hershey and Chase were able to conclude that __ is/are the carrier(s) of genetic information.
a)
nucleic acid
b)
Proteins
c)
Carbohydrates
d)
Lipids
79.
Rosalind Franklin's "Photo 51" allowed Watson and Crick to determine the ___ of DNA.
a)
Shape
b)
Backbone
c)
Nitrogen bases
d)
Hydrogen bonds
80.

This is the practice of producing a genetically identical cell or organism

a)

Cloning

b)

Gel Electrophoresis

c)

Genetic Engineering

d)

DNA Fingerprinting

81.
A lab technique used in crime fighting to prove a suspects innocence or guilt is known as:
a)
genetic engineering
b)
PCR
c)
electrophoresis
d)
gene therapy
82.
What is recombinant DNA?
a)
Adding DNA from one organism into the DNA of another
b)
DNA which has been changed over generations by natural selection
c)
DNA that causes genetic disorders
d)
DNA that has been sequenced
83.

Which suspect left the blood stain?

a)

Bob

b)

Sue

c)

John

d)

Lisa

84.

The laboratory process that makes many copies of DNA

a)

PCR

b)

Electrophoresis

c)

Gene Therapy

85.

Which process separates segments of DNA based on its size and produces a DNA fingerprint

a)

Gel Electrophoresis

b)

Cloning

c)

Human Genome Project

d)

Hybridization

86.

Which suspect likely committed the crime?

a)

suspect 1

b)

suspect 2

c)

suspect 3

d)

None of them

87.

The copying process by which a cell duplicates its DNA.

a)

Translation

b)

Transcription

c)

Gene Regulation

d)

Replication

88.

What controls the organs and tissues that develop in various parts of the embryo?

a)

mRNA

b)

Hox Genes

c)

Histones

d)

DNA Polymerse

89.

When part of a chromosome becomes oriented in the REVERSE of its usual direction.

a)

Deletion

b)

Inversion

c)

Duplication

d)

Mutation

90.

When part of one chromosome breaks off and attaches to another one.

a)

Translocation

b)

Translation

c)

Deletion

d)

Inversion