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WorksheetsApplied Biology Mid-Quarter Exam 3
Total questions: 39
Worksheet time: 3hrs 15mins
Name
Class
Date
1.
When we say that a woman is a carrier for a genetic disease or disorder it means that
a)
she has 1 gene, but not the disorder
b)
she has 2 genes for the disorder
c)
she can pass the gene only to male children
d)
she can pass the gene only to female children
2.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
3.
Looking at this pedigree, how many family members have the disease?
a)
4
b)
7
c)
All
d)
None
4.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
5.
How many girls did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
6.
If a father is AA and a mother is AB, what is the probability for a child with AB blood?
a)
0%
b)
25%
c)
50%
d)
75%
7.
If two parents have type AB blood, what is the probability that their child will have type O blood?
a)
0%
b)
25%
c)
50%
d)
100%
8.
If a red blood cell has no antigens on its surface, what is its blood type?
a)
A
b)
B
c)
AB
d)
O
9.
Which blood type is known as the universal recipient? (can receive all types)
a)
AB+
b)
AB-
c)
O+
d)
O-
10.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
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.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
13.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
14.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
15.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
16.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
17.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
18.
What is the definition of phenotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
A gene on the DNA strand
19.
What is the definition of genotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
the genes on a DNA strand
20.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
21.
Where, in the eukaryotic cell, is DNA located?
a)
ribosomes
b)
nucleus
c)
E.R.
d)
cytoplasm
22.
Which of the following genotypes would be considered heterozygous?
a)
BB
b)
gg
c)
Ff
d)
TT
23.
In this punnett square, which is the dominant trait?
The B stands for bud.
The B stands for bud.
a)
purple flower bud
b)
white flower bud
c)
dominant
d)
recessive
24.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
25.
always includes/represented by a capital letter
a)
dominant trait
b)
recessive trait
c)
genotype
d)
phenotype
26.
Which is the recessive trait?
a)
Capital B
b)
lowercase b
c)
both
d)
doorway
27.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
28.
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
29.
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
30.
This is an example of ___________.
a)
Incomplete Dominance
b)
Codominance
31.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
32.
If you cross a black chicken with a white chicken, only checkered chickens would be produced. What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
33.
Ratios:
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
34.
Allele i is...
a)
Dominant to IA
b)
Recessive to IA
c)
Co-dominant to IA
d)
Incompletely dominant to IA
35.
A man that is homozygous for type A blood (IAIA) has children with a woman that is heterozygous for type B blood (IBi). What percentage of offspring will have type A blood?
a)
25%
b)
50%
c)
75%
d)
100%
36.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
37.
How many alleles does someone have for a genotype?
a)
1
b)
2
c)
3
d)
4
38.
If a trait does NOT skip generations in a pedigree, the trait is most likely:
a)
Recessive
b)
Dominant
c)
Can't tell
39.
If a trait in a pedigree skips generations, the trait must be:
a)
Recessive
b)
Dominant
c)
Can't tell
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