An organism’s expressed physical trait, such as seed color, is called its:
If the allele for green pea pod color (G) is dominant over the allele for yellow
pea pod color (g), which of the following genotypes would a plant with yellow
None of these
In corn plants, green (G) is dominant to yellow (g). What is the chance of two
heterozygous corn plants producing yellow corn plants?
Refer to this image to answer #5.
What information is revealed in the portion of the karyotype above?
The individual displayed is a normal male.
The individual displayed is a normal female.
The individual displayed is a male with Down syndrome.
The individual displayed is a female with Down syndrome.
Which of the following describes an organism that has the genotype Bb?
All of the above
Genes located on homologous chromosomes may have alternate forms that control
different forms of a trait. These alternate forms of a gene are called _____.
Refer to this image to answer #8.
What is the genotype in the bottom left-hand quadrant in the Punnett square
A trait carried on the X or Y chromosome is said to be ________ inheritance.
The alleles contained in _____ produced by each parent are shown along the sides
of a Punnett square.
A useful device for predicting the possible offspring of crosses between
different genotypes is the _____.
Law of dominance
Law of segregation
Mendel's law of segregation states that during meiosis, the factors that control
each trait separate and only _____ from each pair is/are passed to the
The recessive trait
The dominant trait
A couple has two children, both of whom are boys. What is the chance that the
parents' next child will be a boy?
Refer to this diagramme to answer #14-15.
How should the TOP ROW of the figure above read?
MMXX, MMXx, MmXX, MmXx
MMxX, MMxx, MmxX, Mmxx
mMXX, mMXx, mmXX, mmXx
mMxX, mMxx, mmxX, mmxx
What fraction of the cross shown above will be recessive for both traits?
The type of inheritance shown when a red-flowering plant is crossed with a
white-flowering plant and only pink-flowering plants are produced is _____.
The 23rd pair of chromosomes that differ in males and females are called _____.
Refer to this diagramme to answer #18-21.
If individual III-2 marries a person with the same genotype as individual I-1,
what is the chance that one of their children will be afflicted with hemophilia?
What type of inheritance pattern does the trait represented by the shaded
symbols in the figure above illustrate?
For the trait being followed in the pedigree, individuals II-1 and II-4 in the
figure above can be classified as _____.
What is the relationship between individual I-1 and individual III-2 in the
They play golf together occasionally.
An individual of phenotype XBXB marries an individual whose phenotype is XbY.
What proportion of their male children will be colourblind?
When red and yellow spotted beetles are mated, 25% of the offspring are red, 50%
are red and yellow spotted, and 25% are yellow. This trait is one controlled by
Because the gene for red-green colour-blindness is located on the X chromosome,
it is not possible for a:
Carrier mother to pass the gene on to her daughter.
Carrier mother to pass the gene on to her son.
Colour-blind father to pass the gene on to his daughter.
Colour-blind father to pass the gene on to his son.
A dominant phenotype must have at least _____ dominant allele(s) present in the
A man heterozygous for blood type A marries a woman heterozygous for blood type
B. The chance that their child will have type O blood is _____.
A student researching new information for his Genetic disorder brochure could
find the most current AND reliable information in a:
Cell biology textbook
Popular news magazine
Which domain includes organisms whose cells have a nucleus?
Refer to this diagramme to answer #29.
This food chain can be found in the coastal waters of Virginia. The population
of which organisms in the food chain would be the FIRST to decline if shrimp
populations decrease due to overfishing?
Refer to this diagramme to answer #30.
The graph below shows the changes of the size of a fish population over a period
of time. The dashed line on the graph represents the:
Lifespan of the species.
Level at which extinction is reached.
Level of maximum biodiversity of the species.
Carrying capacity of the environment.
Refer to this information to answer #31-32.
The gene for colour-blindness in humans is found on the X chromosome. A boy has a colour-blind father.
Refer to the family described above. Will the boy definitely be colour-blind?
Explain why or why not. (2 pts)You will create the Punnett square to support
your explanation in #32.
Create a Punnett square to support your explanation in #31. (2 pts)Use the
largest text possible.
Refer to this information to answer #33-36.
A man who is homozygous for type B blood has a child with a woman who is heterozygous for type A.
Create the Punnett square for the family described above. (2 pts)Use the largest
What are the odds that the child from the family described above will have blood
type A? (1 pt)
What are the odds that the child will express the codominant blood type? (1 pt)
The couple finds out the child’s blood type is O. Is the child biologically
theirs? Explain. (2 pts)
Refer to this image to answer #37.
As usual, some chucklehead in Mr. Ferzoco’s class left their worksheet behind.
Luckily, they were picking their nose. After collecting DNA from the sample and
creating a profile, the following DNA fingerprint gel was run. Which criminal
(oops, student) committed the crime AND why? (2 pts)
Two parents are heterozygous for the widow’s peak hairline and heterozygous for
unattached earlobes. Give the phenotypic probabilities of their offspring. Show
all steps of your work. (8 pts)Use the largest text possible.
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