Biology 207 Exam 1 Questions With Complete Solutions
A cell in which of the following phases has the highest quantity
of DNA?
a. G1
b. G2
c. Telophase
d. Telophase I
e. Telophase II Correct Answers b. G2
Albinism in humans is an example of
a. codominance
b. incomplete dominance
c. multiple alleles
d. normal dominant
e. normal recessive Correct Answers e. normal recessive
At what point in the human life cycle do cells become diploid?
a. Fertilization
b. G0
c. Implantation
d. Oogenesis
e. S in interphase Correct Answers a. Fertilization
Biology is defined as the study of:
a. Viruses
b. Cells
c. Cells and viruses
d. Living organisms
e. Life Correct Answers e. Life
, Chromosomes from the two different parents that code for
exactly the same genes are called
a. Analogous
b. P1
c. Homologous
d. Pedigrees
e. Sister chromatids Correct Answers c. Homologous
Consider a test cross with another individual which is aabb for
two normal dominant/recessive traits.
a. The offspring will all show the recessive trait
b. The offspring will show a 9:3:3:1 phenotypic ratio
c. The offspring will show a 9:3:4 phenotypic ratio
d. The offspring will show a 1:1:1:1 phenotypic ratio
e. The offspring will show a 3:1 phenotypic ratio Correct
Answers a. The offspring will all show the recessive trait
Consider an animal in which the trait for tail shape shows
incomplete dominance: CC is a straight tail, Cc is a curved tail,
and cc is a corkscrew (or spiral) tail. A curved tailed mother has
an offspring with a curved tail dad. What is the probability that
this offspring will have a straight tail?
a. 0
b. 1/4
c. 1/3
d. 2/3
e. 3/4 Correct Answers b. 1/4
DNA is moved around during mitosis and meiosis by
a. Centrioles
b. Gravity
A cell in which of the following phases has the highest quantity
of DNA?
a. G1
b. G2
c. Telophase
d. Telophase I
e. Telophase II Correct Answers b. G2
Albinism in humans is an example of
a. codominance
b. incomplete dominance
c. multiple alleles
d. normal dominant
e. normal recessive Correct Answers e. normal recessive
At what point in the human life cycle do cells become diploid?
a. Fertilization
b. G0
c. Implantation
d. Oogenesis
e. S in interphase Correct Answers a. Fertilization
Biology is defined as the study of:
a. Viruses
b. Cells
c. Cells and viruses
d. Living organisms
e. Life Correct Answers e. Life
, Chromosomes from the two different parents that code for
exactly the same genes are called
a. Analogous
b. P1
c. Homologous
d. Pedigrees
e. Sister chromatids Correct Answers c. Homologous
Consider a test cross with another individual which is aabb for
two normal dominant/recessive traits.
a. The offspring will all show the recessive trait
b. The offspring will show a 9:3:3:1 phenotypic ratio
c. The offspring will show a 9:3:4 phenotypic ratio
d. The offspring will show a 1:1:1:1 phenotypic ratio
e. The offspring will show a 3:1 phenotypic ratio Correct
Answers a. The offspring will all show the recessive trait
Consider an animal in which the trait for tail shape shows
incomplete dominance: CC is a straight tail, Cc is a curved tail,
and cc is a corkscrew (or spiral) tail. A curved tailed mother has
an offspring with a curved tail dad. What is the probability that
this offspring will have a straight tail?
a. 0
b. 1/4
c. 1/3
d. 2/3
e. 3/4 Correct Answers b. 1/4
DNA is moved around during mitosis and meiosis by
a. Centrioles
b. Gravity
