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WorksheetsPOST TEST CREDIT RECOVERY BIOLOGY 2019
Total questions: 70
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
B=brown eyes
b= blue eyes
What is true about two brothers that have brown eyes?
One has genotype BB the other Bb.
b= blue eyes
What is true about 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
2.
In mussels, the allele for brown coloring (B) is dominant, and the allele for blue coloring(b) is recessive. For which parental genotypes are 100% of the offspring expected to be blue?
a)
BbxBb
b)
bbxbb
c)
BBxbb
d)
BBxBB
3.
In guinea pigs, the alleles for black hair(B) is dominant to the allele for brown hair(b). Two black-haired guinea pigs are crossed. One of the pigs is homozygous for black hair and one is heterozygous. What percentage of their offspring are expected to have black hair?
a)
25%
b)
50%
c)
75%
d)
100%
4.
What characteristic would a child not inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
5.
Which best explains why children resemble their parents?
a)
they eat same foods
b)
they have similar DNA
c)
they speak the same language
d)
they have the same interests
6.
Which deals with the transmission of inherited traits from one generation to another?
a)
anatomy
b)
ecology
c)
genetics
d)
forensics
7.
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
8.
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
9.
Which will most likely cause a gene to mutate?
a)
water
b)
radiation
c)
soil
10.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
11.
A nucleotide includes...?
a)
pentose sugar
b)
nitrogenous base
c)
phosphate group
d)
all of the above
12.
In DNA, Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
13.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
14.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for making proteins
d)
because we eat it every day for energy
15.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
16.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
17.
What is responsible for holding the two strands of the DNA double helix together?
a)
hydrogen bonds
b)
alleles
c)
London dispersion forces
d)
deoxyribose sugars
18.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
19.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
20.
Which Nucleotide matches to Cytosine?
a)
Guanine
b)
Adenine
c)
Uracil
d)
Thymine
21.
A codon consists of ___ nucleotides?
a)
2
b)
3
c)
4
d)
5
22.
This is the process by which double stranded DNA produces single stranded RNA:
a)
Photosynthesis
b)
Translation
c)
Pollination
d)
Transcription
23.
There are _______ amino acids?
a)
18
b)
26
c)
20
d)
3
24.
The start codon is _______:
a)
AUG
b)
GGG
c)
UCG
d)
AAU
25.
The stop codons are:
a)
UAA
b)
UAG
c)
GUC
d)
UGA
26.
The DNA sequence UAGCGAUUACGU is part of a gene. How many amino acids are coded for by this sequence?
a)
20
b)
4
c)
8
d)
12
27.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
28.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
29.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
30.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
31.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
32.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
33.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
34.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
35.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
36.
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
37.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
38.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
39.
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
40.
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
41.
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
42.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
43.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
44.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
45.
Which of the following depicts a molecule of DNA?
a)
b)
c)
d)
46.
Why are your chromosomes arranged in pairs?
a)
Scientists aren't sure
b)
Because you get one from your mother, and one from your father
c)
Because pairs are able to divide more easily
d)
Because DNA has a double helix structure
47.
How many pairs of chromosomes exist in each of your cells?
a)
10
b)
12
c)
19
d)
23
48.
Besides genetics, what other factors are responsible for how you will grow and develop?
a)
How you treat other people
b)
How hard you study for school
c)
Nutrition and environment
d)
What your parents look like
49.
Which of the following is completely determined by your genes?
a)
Your weight
b)
Your bone structure
c)
Your personality
d)
Your intelligence
50.
Which of the following is completely determined by your genes?
a)
Your weight
b)
Your bone structure
c)
Your personality
d)
Your intelligence
52.
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
52.
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
53.
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
54.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
55.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
56.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
57.
In the second generation-how many people have the disease or display the physical trait?
a)
2
b)
4
c)
5
d)
6
58.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
59.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
60.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
61.
What is the mode of inheritance shown here?
a)
Autosomal Recessive
b)
Autosomal Dominant
c)
Sex Linked
62.
Color Blindness is a sex linked disease. Therefore, it HAS to affect which pair of chromosomes?
a)
21
b)
23
c)
24
d)
1-22
63.
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
64.
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
65.
Which of the following combinations of sex chromosomes represent a female?
a)
XY
b)
XXY
c)
XX
66.
What type of heredity is shown in the pedigree?
a)
Autosomal Recessive
b)
Sex-Linked
c)
Autosomal Dominant
67.
What disease is characterized by abnormally shaped red blood cells?
a)
hemophilia
b)
sickle cell anemia
c)
phenylketonuria
d)
Huntington's
68.
This karyotype is taken from a ___________.
a)
normal female
b)
normal male
c)
male with Klinefelter's syndrome
d)
female with Turner's syndrome
69.
This karyotype is taken from a ________.
a)
female with Turner's syndrome
b)
male with Down's syndrome
c)
female with Down's syndrome
d)
normal female
70.
Which of the following is a sex-linked disorder?
a)
Hemophilia
b)
Sickle cell anemia
c)
Cystic fibrosis
d)
Huntington's
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