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Genetics and Viruses Review

Total questions: 36

Worksheet time: 30mins

Name
Class
Date
1.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?
a)
Purebred
b)
Hybrid
2.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
3.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
4.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
5.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
6.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
7.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
8.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
9.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
10.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
11.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
12.
What percentage of the offspring in the punnett square are shown as a hybrid?
a)
100%
b)
75%
c)
50%
d)
25%
13.
What is the percentage of offspring that have green pods?
a)
100%
b)
75%
c)
50%
d)
25%
14.
Which pathogen is non-living?
a)
Virus
b)
Bacteria
c)
Fungi
d)
Parasite
15.
What do antibiotics cure?
a)
bacteria
b)
virus
c)
parasite
d)
fungus
16.
Which pathogen needs a host cell to reproduce?
a)
virus
b)
bacteria
c)
fungus
d)
parasite
17.
Which pathogen can be prevented with vaccines
a)
Virus
b)
Bacteria
c)
Fungi
d)
All of them
18.
This is the word for a disease causing organism.
a)
Phagocyte
b)
Pathogen
c)
Pandemic
19.
Which of the following is not a kind of pathogen?
a)
Bacteria 
b)
Protists 
c)
Mosquitoes 
d)
Fungi 
20.
Athlete's foot is an example of this pathogen
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protozoan
21.
What are the 4 types of pathogens that could cause illness?
a)
animals, bacteria, fungi and plants
b)
bacteria, fungi, nucleus, protist
c)
bacteria, fungi, viruses, protist
d)
bacteria, plants, fungi, protist
22.
Influenza is an example of which kind of pathogen?
a)
Foodborne
b)
Bloodborne
c)
Airborne
23.
HIV is an example of which kind of pathogen?
a)
Foodborne
b)
Airborne
c)
Bloodborne
24.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
25.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
26.
AA and Aa always show up as
a)
dominant
b)
recessive
27.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? 
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
28.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
29.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
30.
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 
31.
Which statement about acquired and inherited traits is true?
a)
Both acquired traits and inherited traits are coded in DNA.
b)
Acquired traits are coded in DNA, and inherited traits develop during life.
c)
Both acquired traits and inherited traits develop during life.
d)
Acquired traits develop during life, and inherited traits are coded in DNA
32.
A mother has curly hair while a father has straight hair. Three of their four children have curly hair while one child has straight hair.Which statement best explains the reason that three children have curly hair, and only one child has straight hair?
a)
Three of the four children received the genes for hair texture only from their mother, and the gene for curly hair must be a dominant trait.
b)
All four children received the genes for hair texture from both parents, but the gene for curly hair may be a dominant trait.
c)
All four children received the genes for hair texture from both parents, but the gene for curly hair must be a recessive trait.
d)
One of the four children received the genes for hair texture only from their father, and the gene for curly hair may be a recessive trait.
33.
Two plants with hybrid genotypes for smooth seeds are crossed with one another. What percentage of the offspring should have the recessive phenotype of wrinkly seeds?
a)
100%
b)
75%
c)
50%
d)
25%
34.
Cystic fibrosis is a diseased that affects the lungs. The disease is caused by a recessive allele (f). The pedigree shows the inheritance of the cystic fibrosis allele in three generations of a family. What can be determined about the offspring shown by the "?" in generation III?
a)
The offspring will not have cystic fibrosis.
b)
The offspring will have cystic fibrosis.
c)
The offspring will be a carrier for cystic fibrosis.
d)
The offspring will have the disease or be a carrier.
35.
HIV is a virus that affects the immune system. A study compared the numbers of immune cells known as T cells in HIV-infected and non-infected individuals. The results are shown.Which statement about HIV and T cells is true?
a)
HIV has no effect on the number of T cells in an individual.
b)
HIV can cause the number of T cells to increase or decrease
c)
T cell numbers are lower in HIV-infected individuals than non-infected individuals.
d)
T cell numbers are higher in HIV-infected individuals than non-infected individuals.
36.
Aspergillosis is a fungal infection that causes an inflammation of the respiratory tract and lungs. It is caused by a fungus of the genus Aspergillus.Which agent most likely transfers the fungus to humans?
a)
air
b)
blood
c)
food 
d)
water