Solved by a verified expert:Question 1
Select one answer.
10 points
Genotypes provide information about: ______________.
• Proteins
•
Carbohydrates
• Lipids
• DNA
Question 2
Select one answer.
10 points
Two heterozygous individuals are crossed. What percentage of
their offspring will be heterozygous?
• 75%
• 50%
• 25%
• 100%
Question 3
Select one answer.
10 points
Which of these discusses genotypes rather than phenotypes.
• The
offspring of these flowers can be either red or white.
• The male
mouse is homozygous dominant.
• Lactose
intolerance can be due to a missing protein (the enzyme that digests lactose).
• All of
these discuss genotypes
Question 4
Select one answer.
10 points
Red flower color is incompletely dominant to white flower
color. Two red flowers are crossed. What percentage of their offspring will be
red?
• 25%
• 75%
• 50%
• 100%
Question 5
Select one answer.
10 points
In peas purple is dominant to white for flower color. A
purple flower is crossed with a white flower. All the offspring (over 100
plants) produce purple flowers. What is the genotype of the purple flower?
• Either
PP or Pp
• PP
• Pp
• pp
Question 6
Select one answer.
10 points
This trait is _______________.
•
Sex-linked dominant
•
Sex-linked recessive
•
autosomal recessive
•
autosomal dominant
Question 7
Select one answer.
10 points
In humans, the condition for normal blood clotting (H) is
dominant to hemophilia (h). A male who has normal blood clotting mates with a
woman who is a carrier. If they have a son, what is the probability that he
will have this condition?
• 50%
• 0%
• 100%
• 75%
Question 8
Select one answer.
10 points
A female produces gametes
• That
have 2 X chromosomes
• that
have a Y chromosome only
• that
have either an X or a Y chromosome
• that
have an X chromosome only
Question 9
Select one answer.
10 points
Huntington’s disease is an autosomal dominant disorder. A
person with the disorder and a person without the disorder mate. Both of these
individuals are homozygous. What is the chance that the offspring will develop
Huntington’s?
• 100%
• 75%
• 50%
• 25%
Question 10
Select one answer.
10 points
Use the following information to answer the following four
questions.
In dogs, colored fur (E) is dominant to un-colored fur (e).
Black fur color (B) is dominant to brown fur color (b). The E gene is epistatic
to the B gene. A yellow male dog is mated to a black female. The male’s parents
were both brown dogs. The female’s mother was yellow, and her father was brown.
Q1 of 4: What is the genotype of the male dog in this
example?
• eeBB
• ee
• eebb
• eeBb
Question 11
Select one answer.
10 points
Q2 of 4: What is the genotype of the female dog in this
example?
• EEBB
• EeBb
• EeBB
• EEBb
Question 12
Select one answer.
10 points
Q3 of 4: What percentage of their puppies will be yellow?
• 100%
• 75%
• 50%
• 25%
Question 13
Select one answer.
10 points
Q4 of 4: What percentage of the puppies will be homozygous
for the B gene?
• 100%
• 75%
• 50%
• 25%
Question 14
Select one answer.
10 points
Alleles are different versions of a
•
Chromosome
• Gene
• Genotype
•
Phenotype
Question 15
Select one answer.
10 points
In humans, the condition for normal blood clotting (H) is
dominant to hemophilia (h). A male who has normal blood clotting mates with a
woman who is a carrier. If they have a daugher, what is the probability that
she will have this condition?
• 50%
• 0%
• 75%
• 100%
Question 16
Select one answer.
10 points
In dogs, colored fur (E) is dominant to un-colored fur (e).
Black fur color (B) is dominant to brown fur color (b). The E gene is epistatic
to the B gene. A brown male dog is mated to a black female. Both the male and
female are homozygous at all loci. What percentage of the puppies will be
black?
• 0%
• 25%
• 100%
• 75%
• 50%
Question 17
Select one answer.
10 points
In humans tongue rolling (T) is dominant to non-rolling (t).
Two heterozygous individuals have a child. What is the probability that their
child will be able to roll its tongue?
• 100%
• 75%
• 50%
• 0%
Question 18
Select one answer.
10 points
Red (R) flower color is incompletely dominant to white (r)
flower color. Two pink flowers are crossed. What percentage of their offspring
will be pink?
• 100%
• 75%
• 50%
• 25%
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