BIOL 133 EXAM 3 QUESTIONS AND ANSWERS
G1 is associated with which of the following cellular events? - Answers :normal growth
and cell function
In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit
which of the following events in the cell cycle? - Answers :attachment of microtubules to
kinetochores
In a diploid cell with 5 chromosome pairs (2n=10), how many sister chromatids will be
found in a nucleus at prophase of mitosis? - Answers :20
which of the following events occurs during interphase of the cell cycle? - Answers
:replication of DNA
The M phase checkpoint ensures that all chromosomes are attached to the mitotic
spindle. If this does not happen, cells will most likely be arrested in ____________ -
Answers :metaphase
Which of the following statements defines a genome? - Answers :the complete set of an
organism's genes and other DNA sequences
A particular organism has 46 chromosomes in its karyotype. Which of the following
statements is correct regarding this organism? - Answers :it produces gametes with 23
chromosomes
Crossing over of chromosomes normally takes place during which of the following
processes? - Answers :meiosis I
The individual with genotype AaBbCCDdEE can make many kinds of gametes. Which
of the following correctly describes why this situation is possible? - Answers :different
possible assortment of chromosomes into gametes occurs
Mendel continued some of his experiments into the F2 or F3 generation to _________. -
Answers :observe whether or not a recessive trait would reappear
A sexually reproducing animal has two unlinked genes, one for head shape (H) and one
for tail length (T). Its genotype is HhTt. Which of the following genotypes is possible in a
gamete from this organism? - Answers :HT
Mendel's observation of the segregation of alleles in gamete formation has its basis in
which of the following phases of cell division? - Answers :anaphase I of meiosis
Gray seed color in peas is dominant to white. Assume that Mendel conducted a series
of experiments where plants with gray seeds were crossed among themselves, and the
following progeny were produced: 302 gray and 98 white.
G1 is associated with which of the following cellular events? - Answers :normal growth
and cell function
In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit
which of the following events in the cell cycle? - Answers :attachment of microtubules to
kinetochores
In a diploid cell with 5 chromosome pairs (2n=10), how many sister chromatids will be
found in a nucleus at prophase of mitosis? - Answers :20
which of the following events occurs during interphase of the cell cycle? - Answers
:replication of DNA
The M phase checkpoint ensures that all chromosomes are attached to the mitotic
spindle. If this does not happen, cells will most likely be arrested in ____________ -
Answers :metaphase
Which of the following statements defines a genome? - Answers :the complete set of an
organism's genes and other DNA sequences
A particular organism has 46 chromosomes in its karyotype. Which of the following
statements is correct regarding this organism? - Answers :it produces gametes with 23
chromosomes
Crossing over of chromosomes normally takes place during which of the following
processes? - Answers :meiosis I
The individual with genotype AaBbCCDdEE can make many kinds of gametes. Which
of the following correctly describes why this situation is possible? - Answers :different
possible assortment of chromosomes into gametes occurs
Mendel continued some of his experiments into the F2 or F3 generation to _________. -
Answers :observe whether or not a recessive trait would reappear
A sexually reproducing animal has two unlinked genes, one for head shape (H) and one
for tail length (T). Its genotype is HhTt. Which of the following genotypes is possible in a
gamete from this organism? - Answers :HT
Mendel's observation of the segregation of alleles in gamete formation has its basis in
which of the following phases of cell division? - Answers :anaphase I of meiosis
Gray seed color in peas is dominant to white. Assume that Mendel conducted a series
of experiments where plants with gray seeds were crossed among themselves, and the
following progeny were produced: 302 gray and 98 white.
