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WorksheetsEOC Review: Units 6-7
Total questions: 33
Worksheet time: 1hrs 9mins
Ethan, Harper, and Samuel are studying genetics. They learned that when two different alleles occur together, the one that is expressed is called what?
dominant
polygenic
recessive
superior
Sophia has a pea plant that has inherited two of the same alleles for flower color from its parents. This pea plant is _____ for the flower color trait.
hereditary
heterogeneous
homozygous
a mutation
Avery is performing a genetic engineering experiment to insert a human gene into a bacterial plasmid. Which of the following represents the correct order of steps Avery should follow?
heat-shock bacterial cells, cut plasmid with restriction endonuclease, use ligase to seal human gene
of interest and plasmid together, select for transformed bacteria
cut plasmid with restriction endonuclease, select for transformed bacteria, use ligase to seal human
gene of interest and plasmid together, heat-shock bacterial cells
cut plasmid with restriction endonuclease, use ligase to seal human gene of interest and plasmid
together, heat-shock bacterial cells, select for transformed bacteria
use ligase to seal human gene of interest and plasmid together, heat-shock bacterial cells, select for
transformed bacteria, cut plasmid with restriction endonuclease
In a biology class, Aria and Henry are using a tool to predict the possible genetic outcomes of pea plants. This device, which helps in organizing genetic analysis, is called a
Mendelian Box
Punnett Square
Genetic Graph
Phenotypic Paradox
Ethan and Luna are studying genetics and come across an example:
B - black fur (dominant)
b - brown fur (recessive)
They learn that the fur in both of the parents in the cross is
Black
Brown
homozygous dominant
homozygous recessive
Priya, Evelyn, and Abigail are studying for their biology exam. They come across a question in their textbook: 'Who carried out studies that formed the basis of modern genetics?' Can you help them answer this?
T. A. Knight
Gregor Mendel
Thomas Morgan
Charles Darwin
Zoe is analyzing a pedigree chart for a certain plant species in her biology class. Which of the following statements is true when she observes the chart?
If a trait causing a leaf disorder is recessive, every plant with the disorder will have a parent with the disorder.
If a trait causing a leaf disorder is dominant, two normal plants can produce an offspring with the disorder.
If a trait causing a leaf disorder is recessive, the normal parents of every plant with the disorder are carriers.
If a trait causing a leaf disorder is sex-linked, only male plants will have the disorder.
Hannah and William are studying genetics and decide to cross two heterozygous red-flowered plants in their school garden. In these plants, red flower color is dominant over white.
What percentage of the offspring will have the same genotype as their parents?
0%
25%
50%
100%
Dominance
Codominance
Polygenic Inheritance
Incomplete dominance
Dominance
Codominance
Polygenic Inheritance
Incomplete dominance
Dominance
Codominance
Polygenic Inheritance
Incomplete dominance
Luna, Priya, and Aria are studying genetics and they come across a chart showing the allele combinations of various blood groups in humans. They are trying to determine which conclusion is best supported by the information in the chart.
Allele B is dominant over allele A.
Allele A is dominant over allele B.
Both alleles A and B are dominant over allele i.
Both alleles A and B remain unexpressed when present together.
Harper and Aiden are learning about genetics in biology class and decide to use Punnett squares to predict the outcomes of a monohybrid cross.
They are examining pea plants, where the gene for plant height has two alleles: tall (T) is dominant over short (t).
If they cross two heterozygous tall plants (Tt), what percentage of their offspring is expected to be tall?
0%
25%
50%
75%
100%
Isla, Evelyn, and Grace are studying biology. They are discussing traits that are physically exhibited in organisms. What are these traits called?
Phenotypes
Genotypes
Emma is researching her family tree to understand how a certain trait has been passed down through generations. What is the term for the diagram she is using?
Pedigree
Punnett Square
Polygenic Trait
Test Cross
Probability
If the colorblindness trait is sex-linked, it
occurs most commonly in males
occurs only in females
can never occur in females
is always fatal
Harper, Abigail, and Jackson are part of a forensic science club at their school. They are analyzing an electrophoresis gel depicting the DNA of four members (lanes 1-4) who participated in a mock crime scene activity.
Based on the DNA found at the mock crime scene, which member most likely played the role of the criminal?
Member 1
Member 2
Member 3
Member 4
In a science fair, Aria, Mia, and Evelyn are demonstrating the process of gel electrophoresis. They have some negatively charged fragments and they need to separate them based on their size. What should they apply to these fragments to achieve this?
ultraviolet radiation
magnetic force
electric current
x-ray radiation
In a biology lab experiment, Aria, Nora, and Michael are using gel electrophoresis to separate molecules. They are trying to understand on what property this technique separates molecules like DNA, RNA, or proteins. Can you help them?
Based on the number of amino acids
Based on the number of fatty acids
Based on the shape
Based on the size
Abigail is presenting a science project on transgenic animals. She uses Maggie, a transgenic goat, as an example. How does being transgenic make Maggie different from non-transgenic goats?
Maggie has DNA from both of her parents.
Maggie has DNA that winds around proteins.
Maggie has DNA implanted from another organism.
Maggie has DNA that uses a different coding system.
During a school science fair, Grace presented a project on the human genome project. She explained that one of the original purposes of the project was what?
to locate every gene on each human chromosome
to create plasmids for transferring DNA between humans
to sequence human mitochondrial DNA which is passed on from only a mother to her child
to compare human mitochondrial DNA with chloroplast DNA from large dicot plants
In a science project, Anika is demonstrating a model of a bacterial cell. She points to a part and labels it as a.___ . What is she referring to?
plasmid
recombinant DNA
recombinant RNA
restriction RNA
During a science fair, James and Aria presented a project that involved creating a new DNA strand. This strand was formed by the splicing of DNA from a tomato and a potato plant. They referred to this as
determinant RNA
recombinant DNA
plasmid DNA
restriction RNA
In a genetics class, Olivia and Kai are working on a lab experiment. The item labeled b.____ is the _____; the gene after it has been sealed by the ligase.
plasmid
recombinant DNA
recombinant RNA
restriction RNA
During a science fair, Charlotte explains that scientists can use a virus as a vector to insert a gene directly into a target cell in someone’s body. Emma is curious and asks what this technique is called. Maya suggests they look it up. What is this technique called?
genetic cloning
human gene therapy
DNA microinjection
embryonic stem cell transfer
Dr. Smith presents a karyotype to the class. Mason examines the karyotype closely.
How would the person with this karyotype be described?
a normal male
a normal female
a male with Down syndrome
a female with Turner syndrome
In a high school biology experiment, Lily, Aiden, and Mason are using restriction enzymes in gel electrophoresis. What is the primary purpose of using these enzymes in their experiment?
It restricts the number of base pairs that Lily, Aiden, and Mason can test in their sample.
It allows the strands of DNA in their sample to be cut into various lengths for testing.
It simplifies their experiment by moving the strands into the gel faster.
It allows the DNA strands in their sample to be charged so the electrical current can send the strands into the gel.
Abigail, Mason, and Michael are working on a school project about Genetic Engineering. They are discussing what Genetic Engineering refers to. According to their research, Genetic Engineering refers to the process of
creating new DNA molecules from nucleotide sequences
rearranging nucleotides in a gene of an organism so that new traits appear in the development of an embryo
moving genes from a chromosome of one organism to a chromosome of a different organism
building a new species by combining genes of different organisms
During a science fair, Abigail and David presented a project on genetic engineering. They explained that recombinant DNA is formed by joining DNA molecules
from two different species
from two chromosomes of the same organism
from RNA molecules
with proteins from a different species
In a biology class, Aria is learning about enzymes. She learns that Restriction Enzymes are specific in their action on
DNA
amino acids
proteins
macromolecules
Kai is studying the cell membrane and wonders how the structure of phospholipids relates to their function in cells. Can you help explain it to him?
The phospholipid creates energy molecules and can be broken down with other lipid molecules to repair organelles in a cell.
The phospholipid does not dissolve in water and can associate with other lipid molecules to form a wall between the inside and outside of a cell
The phospholipid can bind to large and small molecules and can help the molecules move across the outer membrane of a cell.
The phospholipid can bind to protein molecules and can help move the proteins throughout the cytoplasm in a cell.
During a biology class, Jackson, Evelyn, and Daniel were studying genetic conditions. They learned that Edwards Syndrome is a genetic condition in which a person has three copies of chromosome 18. This condition is most likely the result of what process?
crossing over
hybridization
polyploidy
nondisjunction
In a genetics class, Benjamin draws a family tree and uses half colored symbols to represent certain individuals. What do these half colored symbols represent?
The individual is a carrier (heterozygous).
The individual expresses the trait.
The individual has both recessive alleles.
The individual has both dominant alleles.
