WorksheetsBiology 1B Final Exam Review
Total questions: 98
Worksheet time: 52mins
Name
Class
Date
1.
The branch of Biology that studies hereditary information and how it is passed on
a)
Genome
b)
Genetics
c)
Heredity
d)
Genotype
2.
What does it mean to be homozygous for a trait?
a)
The organism has 4 of the same alleles for a trait
b)
The organism has 4 of the different alleles for a trait
c)
The organism has 2 of the same alleles for a trait
d)
The organism has 2 of the different alleles for a trait
3.
Who is the father of genetics?
a)
Gregor Mendel
b)
Gregor Mendela
c)
Gregory Mendel
d)
Gregory Mendela
4.
These are different forms of a gene for a trait.
a)
Heterozygous
b)
Homozygous
c)
Autosomes
d)
Alleles
5.
Which is NOT one of the genetic principles that resulted from Mendel misrepresenting his data
a)
Independent Assortment
b)
Co-Dominance
c)
Incomplete Dominance
d)
Multiple Alleles
6.
This law says: alleles occur in pairs which separate and recombine during fertilization
a)
Law of Independent Assortment
b)
Law of Segregation
c)
Law of Dominance
d)
Law of Polygenic Inheritance
7.
Name that mutation
a)
Deletion
b)
Translocation
c)
Inversion
d)
Nondisjunction
8.
Name that mutation
a)
Deletion
b)
Translocation
c)
Inversion
d)
Nondisjunction
9.
Name that mutation
a)
Deletion
b)
Translocation
c)
Inversion
d)
Nondisjunction
10.
What is a section of genetic material that controls traits and is found on every chromosome?
a)
Gene
b)
Histone
c)
Chromosome
d)
Allele
11.
This law says: Genes for 2 traits are separated and distributed into cells independently
a)
Law of Independent Assortment
b)
Law of Segregation
c)
Law of Dominance
d)
Law of Polygenic Inheritance
12.
This law says: A person will only have a recessive trait when the dominant allele is missing
a)
Law of Independent Assortment
b)
Law of Segregation
c)
Law of Dominance
d)
Law of Polygenic Inheritance
13.
What does it mean to be heterozygous for a trait?
a)
The organism has 4 of the same alleles for a trait
b)
The organism has 4 of the different alleles for a trait
c)
The organism has 2 of the same alleles for a trait
d)
The organism has 2 of the different alleles for a trait
14.
Which is a heterozygous genotypes?
a)
AA
b)
Aa
c)
bb
15.
Which is a homozygous genotype?
a)
Bb
b)
Aa
c)
bb
16.
Cross: Heterozygous Freckles & no freckles? Freckles are dominant over having no freckles.
a)
1 FF: 1 Ff : 2 ff
b)
3Ff: 1 ff
c)
2 Ff: 2ff
d)
All Ff
17.
Combinations of gene alleles in an individual (ex: TT, tt, or Tt)
a)
Genotype
b)
Phenotype
c)
Heredity
d)
Allele Frequency
18.
Physical expression of genes that determine someone's appearance (ex:Tall, Short, Freckles,etc)
a)
Genotype
b)
Phenotype
c)
Heredity
d)
Allele Frequency
19.
This will always be the phenotype ratio of a dihybrid cross (ex: TtRr x TtRr)
a)
9:3:3:1
b)
7:4:4:1
c)
9:2:2:3
d)
7:3:3:3
20.
What is the key step to solving a dihybrid cross?
a)
Putting opposite letters together (ex: RTrT)
b)
FOILing Parent Genotypes (ex: TR, Tr, rT, rt)
c)
Drawing a 4x4 punnett square
21.
The presence of an extra X chromosome in males is what genetic disorder?
a)
Trisomy 21
b)
Turner's
c)
Klienfelter's
d)
None of these
22.
The absence of an X chromosome in females is what genetic disorder?
a)
Trisomy 21
b)
Turner's
c)
Klienfelter's
d)
None of these
23.
The presence of an extra copy of chromosome 21 is what genetic disorder?
a)
Trisomy 21
b)
Turner's
c)
Klienfelter's
d)
None of these
24.
During this mutation, a piece of chromosome breaks off resulting in the loss of some genes:
a)
Deletion
b)
Duplication
c)
Inversion
d)
Non-Disjunction
25.
During this mutation, a piece of chromosome is added to a homologous chromosome:
a)
Deletion
b)
Duplication
c)
Inversion
d)
Non-Disjunction
26.
During this mutation, a piece of chromosome is added to a non- homologous chromosome:
a)
Deletion
b)
Translocation
c)
Inversion
d)
Non-Disjunction
27.
During this mutation, the order of the genes on a chromosome is switched around:
a)
Addition
b)
Translocation
c)
Inversion
d)
Non-Disjunction
28.
During this mutation, chromosomes don't separate normally causing extra or missing chromosomes
a)
Addition
b)
Translocation
c)
Inversion
d)
Non-Disjunction
29.
When 2 alleles in a heterozygous genotype make a phenotype that isn't like either parent:
a)
Incomplete Dominance
b)
Co-Dominance
c)
Multiple Alleles
d)
Polygenic Inheritance
30.
When 2 dominant alleles are expressed in the phenotype at the same time
a)
Incomplete Dominance
b)
Co-Dominance
c)
Multiple Alleles
d)
Polygenic Inheritance
31.
When there are more than 2 alleles for a trait (Ex: Blood type)
a)
Incomplete Dominance
b)
Co-Dominance
c)
Multiple Alleles
d)
Polygenic Inheritance
32.
Genetic disorders found on the sex-chromosomes
a)
Autosomal Disorders
b)
Chromosomal Disorders
c)
Sex-Linked Disorders
d)
None of these
33.
Genetic disorders found on chromosomes 1-22
a)
Autosomal Disorders
b)
Chromosomal Disorders
c)
Sex-Linked Disorders
d)
None of these
34.
Genetic disorders caused by non-disjunction
a)
Autosomal Disorders
b)
Chromosomal Disorders
c)
Sex-Linked Disorders
d)
None of these
35.
Expected phenotype ratios for a cross between two Heterozygous tall plants (Tt)?
a)
1 Tall : 3 Short
b)
3 Tall : 1 Short
c)
2 Tall : 2 Short
d)
All Tall
36.
Roan Horses have genes for 2 traits (brown/white hair) which are expressed together. This is:
a)
Incomplete Dominance
b)
Co-Dominance
c)
Multiple Alleles
d)
None of These
37.
Chromosomes 1-22 are called?
a)
Autosomes
b)
Sex Chromosomes
c)
Neither of these
38.
If tongue rolling (T) is dominant over not (t), What would the phenotype of a Tt person be?
a)
Ability to roll
b)
Inability to roll
c)
Intermediate ability
d)
None of these
39.
Sickle Cell Anemia sex-linked recessive. What % chance will man with anemia pass it to his sons
a)
0%
b)
25%
c)
50%
d)
100%
40.
The presence or absence of a trait through family generations is shown in:
a)
Genetic Panel
b)
Karyotype
c)
None of these
d)
Pedigree
41.
An individual that carries one dominant allele and one recessive allele for a disorder is:
a)
A Carrier
b)
Co-Dominant
c)
Not a Carrier
d)
Infected with the disease
42.
Which event does not increase genetic variation?
a)
Crossing Over
b)
Mutations
c)
Independent Assortment
d)
Dominance
43.
Name that Genetic Disorder
a)
Turner's Syndrome
b)
None of these
c)
Down's Syndrome
d)
Klienfelter's Syndrome
44.
Name that Genetic Disorder
a)
Turner's Syndrome
b)
Trisomy 21
c)
Down's Syndrome
d)
Klienfelter's Syndrome
45.
Name that Genetic Disorder
a)
Turner's Syndrome
b)
None of these
c)
Down's Syndrome
d)
Klienfelter's Syndrome
46.
Japanese 4 o'clocks have genes for red & white petals. What principle explains why they're pink
a)
Incomplete Dominance
b)
Co-Dominance
c)
Multiple Alleles
d)
None of These
47.
Expected phenotype ratios for a Running Brown mouse (RRbb) and a Running Black Mouse (RRBb)
a)
1 Running Brown : 1 Running Black
b)
2 Running Brown Mice
c)
1 Waltzing Brown : 1 Running Black
d)
2 Waltzing Black Mice
48.
Diagram used to predict the outcomes of a mating (cross) between 2 individuals
a)
Karyotype
b)
Pedigree
c)
Punnett Square
d)
Test Cross
49.
A type AB blood woman has babies with a type B man whose mom was type O. Possible phenotypes?
a)
1 Type AB : 2 Type B : 1 Type A
b)
2 Type A : 2 Type B
c)
2 Type AB : 2 Type B
d)
1 Type B : 2 Type AB : 1 Type A
50.
When more than one gene affects the phenotype of an individual it is called?
a)
Multiple Alleles
b)
Polygenic Inheritance
c)
Co-Dominance
d)
Incomplete Dominance
51.
The wing of a moth and the wing of a bird are examples of:
a)
Analogous Structures
b)
Vestigial Structures
c)
Homologous Structures
d)
Similar Structures
52.
Which of the following causes evolution by natural selection?
a)
Genetic Variation
b)
Overproduction of Offspring
c)
Competition
d)
All of these
53.
Which are the differences in species that get passed on to the next generation?
a)
Evolution
b)
Fitness
c)
Genetic Variation
d)
Natural Selection
54.
Loss of genetic variation when a colony is formed by a small # of individuals from a larger pop
a)
Founder Effect
b)
Genetic Drift
c)
Genetic Equilibrium
d)
Bottleneck Effect
55.
Slight changes in traits of a species through adaptations over time
a)
Natural Selection
b)
Fitness
c)
Adaptations
d)
Evolution
56.
An inherited characteristic that increases an organism’s ability to survive and reproduce
a)
Adaptation
b)
Vestigial Organ
c)
Speciation
d)
Natural Selection
57.
This selection is when 2 extreme traits are selected and intermediate the trait is reduced
a)
Stabilizing
b)
Directional
c)
Disruptive
d)
Selection
58.
This selection is when 1 extreme trait is selected for and the population shifts toward that
a)
Stabilizing
b)
Directional
c)
Disruptive
d)
Selection
59.
This selection is when the extremes are selected against and the intermediate trait increases
a)
Stabilizing
b)
Directional
c)
Disruptive
d)
Selection
60.
Which of the following are conditions for genetic equilibruim?
a)
Large breeding population
b)
Random mating and no immigration or emigration
c)
No change is allele frequencies due to mutation or selection
d)
All of these
61.
The healthiest organisms will out-compete unfit organisms is called:
a)
Overproduction of offspring
b)
Genetic Variation
c)
Survival of the Fittest
d)
Gradualism
62.
Natural selection chooses the organisms which are better adapted to:
a)
Produce the fewest offspring
b)
Survive without leaving offspring
c)
Struggle to Exist
d)
Survive and leave offspring
63.
The legs of cats and dogs are an example of:
a)
Analogous Structures
b)
Homologous Structures
c)
Vestigial Structures
d)
Similar Structures
64.
Evolution happens..
a)
In a single generation
b)
Over many generations
c)
To individuals
d)
To anyone with a mutation
65.
Your wisdom teeth are an example of:
a)
Analogous Structures
b)
Similar Structures
c)
Vestigial Structures
d)
Homologous Structures
66.
When there is a loss of genetic variation to to human activities or a natural disaster
a)
Genetic Drift
b)
Founder Effect
c)
Bottleneck Effect
d)
Genetic Equilibrium
67.
Which type of Natural Selection is shown?
a)
Stabilizing
b)
Disruptive
c)
Directional
d)
Surface
68.
Which type of Natural Selection is shown?
a)
Stabilizing
b)
Disruptive
c)
Directional
d)
Surface
69.
Which type of Natural Selection is shown?
a)
Stabilizing
b)
Disruptive
c)
Directional
d)
Surface
70.
A branching diagram that shows evolutionary relationships between different species
a)
Pedigree
b)
Cladogram
c)
Family Tree
d)
Punnett Square
71.
The closer two species are on a cladogram...
a)
The more closely they are related
b)
Means they are distant relatives
c)
The less closely they are related
d)
They aren't related at all
72.
Shared traits that are listed along the branch between organisms are called:
a)
Deranged Characteristics
b)
Derived Characteristics
c)
Dependent Characteristics
d)
Different Characteristics
73.
On a cladogram, common ancestors are represented with:
a)
Letters on a root (intersection)
b)
Numbers on a root (intersection)
c)
They aren't shown
d)
Names of animals
74.
Biochemical Similarities are:
a)
How different the protein structures are
b)
How different the structures of DNA are
c)
How alike the protein structures are
d)
How alike the structures of DNA are
75.
New species have evolved from existing species through changes (mutations) that add up is:
a)
Mutualism
b)
Adaptations
c)
Gradualism
d)
Natural Selection
76.
This is when mutations from alleles “A to a” must equal mutations from alleles “a to A"
a)
No mutuations
b)
No migration
c)
No Natural Selection
d)
Random Mating
77.
This is when no new alleles can come into the gene pool and no allele can leave.
a)
No mutuations
b)
No migration
c)
No Natural Selection
d)
Random Mating
78.
This is when all organisms must have the same chances of producing offspring
a)
No mutuations
b)
No migration
c)
No Natural Selection
d)
Random Mating
79.
This is when the environment cannot favor a particular trait over any others.
a)
No mutuations
b)
No migration
c)
No Natural Selection
d)
Random Mating
80.
All of the different variations of genes in an interbreeding population:
a)
Gene pool
b)
Genetic Variation
c)
Genetic Drift
d)
Allele frequencies
81.
When a gene pool is not changing in frequency because no evolutionary forces are acting upon it
a)
Genetic Equilibrium
b)
Genetic Evolution
c)
Genetic Equality
d)
Genetic Evidence
82.
Species living closer but in different environments show more similarities than other species
a)
Geography
b)
Biogeography
c)
Bioevolution
d)
Bioethics
83.
Branch of Biology that sequences DNA and compares it to other organisms.
a)
Genomics
b)
Genetics
c)
Ecology
d)
Evolution
84.
Organism in it's earliest stage of development
a)
Embryo
b)
Fetus
c)
Baby
d)
Child
85.
More closely related species will show embryological similarities for...
a)
Not at all
b)
Throughout their entire developmet
c)
Shorter amounts of time
d)
Longer amounts of time
86.
Trace remains of an organism that has been naturally preserved.
a)
Fossils
b)
Rocks
c)
Casts
87.
Fossilization is...
a)
A rare event
b)
A common occurance
c)
A short process
d)
Not an evidence for evolution
88.
Evolution has taken place over...
a)
Hundreds of years
b)
Thousands of years
c)
Millions of years
d)
Never
89.
When humans breed organisms (plants and animals) for desired traits
a)
Cloning
b)
Artificial Selection
c)
Natural Selection
d)
Engineering
90.
This is a picture of a...
a)
A karyotype
b)
A pedigree
c)
A cladogram
d)
A family tree
91.
Who is the Father of Evolution by Natural Selection?
a)
Charles Darwink
b)
Charlie Darwin
c)
Chuck Dawin
d)
Charles Darwin
92.
Populations that are isolated from others but adapt to the environment become extinct quickly
a)
True
b)
False
93.
Squirrels have fluffy& smooth tails; male squirrels don't discriminate with mates. Equilibrium?
a)
Yes
b)
No
94.
Most Husky dogs have a moderate mass but very strong muscles. Which type of selection is this?
a)
Disruptive
b)
Stabilizing
c)
Directional
d)
No Selection
95.
Greyhound dogs are bred to be the fastest. Which type of selection is this?
a)
Disruptive
b)
Stabilizing
c)
Directional
d)
No Selection
96.
London Moths show black and white wing colors but rarely grey. What type of selection is this?
a)
Disruptive
b)
Directional
c)
Stabilizing
d)
Selective
97.
Due a fire, Bambi's deer family has declined to 50. Is evolution occuring?
a)
Yes
b)
No
98.
Tan stickbugs blend into their environment better than red ones. Is equilibrium happening?
a)
Yes
b)
No
100 %
