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Genetics Review Final

Total questions: 50

Worksheet time: 33mins

Name
Class
Date
1.

What is the exchange of genetic material between chromosomes in a tetrad called?

a)

Mitosis

b)

Gene Editing

c)

Crossing Over

d)

Tetrad Transfer

2.

Meiosis occurs in the _________________ of organisms.

a)

digestive organs (stomach, intestines)

b)

reproductive organs (testes, ovaries)

c)

sensory organs

(eyes, ears, nose)

3.

How many daughter cells are made at the end of Meiosis?

a)

2

b)

4

c)

6

d)

8

4.

The daughter cells created in Meiosis are _____________.

a)

identical

b)

non-identical

5.

One form of a gene

a)

Chromosome

b)

Allele

c)

Phenotype

d)

Genotype

6.

Physical expression of an organism's genes

(how the traits are expressed)

a)

Karyotype

b)

Phenotype

c)

Genotype

d)

Meiosis

7.

The end result of mitosis is

a)

4 Identical Cells are produced

b)

4 genetically different cells are produced

c)

2 identical cells are produced

d)

2 genetically different cells are produced

8.

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

9.
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
10.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
11.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
12.

What type of inheritance is determined by multiple genes and there can be a range of traits?

a)

Codominance

b)

Incomplete dominance

c)

Polygenic traits

d)

Multiple Alleles

13.

The two cows on the top are the parents and the cow on the bottom is the offspring. What is the type of inheritance pattern is being exhibited?

a)

Incomplete Dominance

b)

Codominance

c)

Multiple Alleles

d)

Polygenic Inheritance

14.

What are the female sex chromosomes?

a)

XX

b)

XY

c)

YY

d)

XZ

15.

What are the male sex chromosomes?

a)

XX

b)

XY

c)

YY

d)

XZ

16.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
17.

What is the image above:

a)

Chromosome

b)

Chromotid

c)

Centromere

d)

Centriole

18.

A chromosome is packaged

a)

DNA

b)

Protein

c)

Carbohydrates

d)

Lipids

19.

Thymine will bond with...

a)

Guanine

b)

Cytosine

c)

Adenine

d)

Uracil

20.

Guanine will bond with...

a)

Thymine

b)

Cytosine

c)

Adenine

d)

Uracil

21.
Which sequence of complementary 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
22.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

23.
X outlines a(n) ___________.
a)
amino acid
b)
nitrogen base 
c)
nucleotide
d)
nitrogen base pair
24.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

25.
What is the mRNA strand that would result from the DNA template strand CCTA?
a)
GGAT
b)
CCAT
c)
GGAU
d)
CCAU
26.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
27.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

28.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
29.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
30.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
31.

Huntington's Disease is a dominant disorder because it is inherited by a dominant allele. The Punnett Square shows a cross between a heterozygous individual and an individual who does not have Huntington's. What percent chance will the parents have a child with Huntington's Disease?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

32.

Cystic Fibrosis is a recessive disorder. Which genotype shows a carrier for Cystic Fibrosis?

a)

FF

b)

Ff

c)

ff

33.

If a trait varies within a pair of identical twins, it is most likely caused by

a)

genetic traits

b)

inherited traits

c)

what you eat

d)

the environment

34.

How many Chromosomes do we inherit from our parents?

a)

23 from dad and 23 from mom, or 46 total

b)

13 from dad and 13 from mom, or 26 total

c)

13 from dad and 33 from mom, or 46 total

35.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
36.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
37.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
38.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

39.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
40.
What genotype would go in box 3?
a)
BB
b)
Bb
c)
bb
41.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete dominance

b)

Codominance

42.

What does this Punnett square and the probabilities of the ofspring represent?

a)

incomplete dominance

b)

codominance

43.

Why do cells replicate? (Choose all that apply)

a)

Growth of an organism

b)

Replace old cells

c)

Repair damaged cells

d)

To make a new organism

44.
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
45.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
46.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
47.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
48.

Mutations can be...

a)

Harmful

b)

Beneficial

c)

Neutral

d)

All of the Above

49.

Mutations are random.

a)

True

b)

False

50.

Cancer is defined as the

a)

uncontrolled division of mutated cells

b)

normal division of cells

c)

normal DNA replication

d)

abnormal ATP synthesis

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