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DNA, Protein Synthesis, Genetics

Total questions: 58

Worksheet time: 33mins

Name
Class
Date
1.

Choose all that apply:

Nucleotides are the building blocks of DNA. They are composed of:

a)

deoxyribose sugar

b)

nitrogen base

c)

protien

d)

phosphate group

e)

ribose sugar

2.

The shape of DNA is called

a)

Double helix

b)

Helix

c)

Sphere

d)

Double Sphere

3.

Where is DNA found in the eukaryotic cell?

a)

Mitochondria

b)

Chloroplast

c)

Nucleus

d)

Cytoplasm

4.

During DNA Replication:

What enzyme unzips and unwinds the DNA helix?

a)

Ligasae

b)

Helicase

c)

RNA Primase

d)

DNA Polymerase

5.

Which direction does DNA replication take place?

a)

5' to 3'

b)

3' to5'

6.

True or False:

A point mutation will at most change one amino acid in the sequence.

a)

True

b)

False

7.

Enzyme that adds a short (10-20) nucleotide RNA primer to start replication

a)

Ligase

b)

Helicase

c)

DNA Polymerase

d)

RNA Primase

8.

If a strand of DNA contained 40% thymine, how much guanine would be present?

a)

40%

b)

20%

c)

60%

d)

10%

9.

Which of the following are differences between DNA and RNA?

a)

DNA is a double helix

b)

RNA is bigger than DNA

c)

DNA contains Deoxyribose where RNA contains Ribose

d)

RNA contains uracil instead of Thymine

10.

Which of the following is NOT found in RNA?

a)

Adenine

b)

Thymine

c)

Cytosine

d)

Guanine

11.

True or False:

In RNA, Adenine bonds with cytosine.

a)

True

b)

False

12.

Which organelle are proteins assembled?

a)

nucleus

b)

cytoplasm

c)

ribosome

d)

golgi apparatus

13.

Type of RNA that associates with proteins to form ribosomes.

a)

mRNA

b)

rRNA

c)

tRNA

14.

Type of RNA that carries genetic information from DNA in the nucleus to direct protein synthesis in the cytoplasm

a)

mRNA

b)

rRNA

c)

tRNA

15.

Type of RNA that transports amino acids to the ribosome

a)

mRNA

b)

rRNA

c)

tRNA

16.

When is mRNA produced?

a)

Replication

b)

Transcription

c)

Translation

d)

Purines

17.

True or False:

Amino Acids are the building blocks of proteins

a)

True

b)

False

18.

Three base code in DNA and RNA

a)

Ribosome

b)

RNA

c)

DNA

d)

Codon

19.

Add the complementary base pair:

TACCCGTACTTA

(a)  

20.

What is the anticodon for the following sequence:

UACGGUCAU

(a)  

21.

Use the codon chart for the mRNA code:

AUGUCUGGUAAA

a)

Met-Lys-Gly-Asp

b)

Met-Ser-Gly-Lys

c)

Pro-Ser-Lys-Stop

d)

Gly-Pro-Met-Asp

22.

Codon AUG codes for what amino acid?

a)

VAL

b)

ASN

c)

HIS

d)

MET

23.

Codon UAA codes for what amino acid

a)

MET

b)

STOP

c)

GLY

d)

SER

24.

Genotype for homozygous Dominant

a)

AA

b)

Aa

c)

aa

d)

A

25.

Genotype for heterozygous

a)

AA

b)

Aa

c)

aa

d)

A

26.

Genotype for Homozygous recessive

a)

AA

b)

Aa

c)

aa

d)

a

27.

Brown eyes is dominant to blue eyes


what genotypes will express brown eyes? (can be more than one)

a)

AA

b)

Aa

c)

aa

d)

a

28.

Brown eyes is dominant to blue eyes


what genotypes will express blue eyes? (can be more than one)

a)

AA

b)

Aa

c)

aa

d)

a

29.

Who is considered the "father" of modern genetics?

a)

Einstein

b)

Mendel

c)

Disney

d)

Washington

30.
A single cross such as flower color.
a)
mono hybrid
b)
dihybrid
c)
crossing over
d)
homozygous
31.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
32.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
33.
"The Great White Shark was 20 feet in length.  Phenotype or Genotype?
a)
phenotype
b)
genotype
34.
Females-XX; MalesXY.  A couple has 4 girls.  What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
35.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
36.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
37.
This is an example of ___________.
a)
 Incomplete Dominance
b)
 Codominance
38.
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
39.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
40.
A tall plant (TT) is crossed with a short plant (SS) and a medium plant (TS) results. This is what type of inheritance pattern?
a)
Incomplete Dominance
b)
Codominance
41.
Which type of inheritance causes both traits to be expressed equally in the heterozygote?
a)
Complete Dominance
b)
Incomplete Dominance
c)
Co-Dominance
d)
Sex-linked
42.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R X r ?

a)

male with white eyes

b)

female with red eyes

c)

male with red eyes

d)

female with white eyes

43.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R Y ?

a)

male with white eyes

b)

female with white eyes

c)

male with red eyes

d)

female with red eyes

44.

In a cross between a pure red eyed female and a white eyed male, what would the genotypes of the parents be?

a)

XRXr with XR Y

b)

XRXr with Xr Y

c)

XRXR with XR Y

d)

XRXR with Xr Y

e)

XrXr with Xr Y

45.

Look at this cross: XB XB x Xb Y

What proportion/percent of the male children are colorblind?

a)

100%

b)

75%

c)

25%

d)

0%

46.

H= normal blood clotting

h=hemophilia


XHXh x XHY


What is the probability that any of their offspring will have hemophilia?

a)

4/4

b)

3/4

c)

2/4

d)

1/4

47.
What is this?
a)
Pedigree
b)
Karyotype
c)
Venn diagram
d)
Punnett Square
48.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
49.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
50.
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
51.
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.
52.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
53.
A picture of paired chromosomes is a
a)
sister chromatid
b)
centromere
c)
syndrome
d)
karyotype
54.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
55.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
56.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
57.
Down's syndrome occurs because of a(n)
a)
missing sex chromosome
b)
extra sex chromosome
c)
additional 21st chromosome
d)
additional 18th chromosome
58.

Chromosome pairs 1-22 are referred to as

a)

sex chromosomes

b)

sister chromatids

c)

a karyotype

d)

autosomes

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