MGRADES UPDATED EXAMS
Biology 1001 Final LSUE UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Which of the following statements regarding prokaryotes is false? - CORRECT
ANSWER - Prokaryotic chromosomes are more complex than those of eukaryotes.
At the start of mitotic anaphase, - CORRECT ANSWER - the centromeres of each
chromosome come apart.
The creation of genetically identical offspring by a single parent, without the participations of a
sperm and egg, is called - CORRECT ANSWER - Asexual Reproduction
Independent orientation of chromosomes at metaphase 1 and random fertilization are most like -
CORRECT ANSWER - shuffling cards and dealing out hands of poker.
Eukaryotic Chromosomes differ from prokaryotic Chromosomes in that they - CORRECT
ANSWER - are housed in a membrane-enclosed nucleus.
The phase of mitosis during which the mitotic spindle begins to form is - CORRECT
ANSWER - prophase
Which of the following is probably the main factor responsible for the phenomenon of density-
dependant inhibition? - CORRECT ANSWER - physical contact of cell-surface proteins
between adjacent cells
Which of the following shows the greatest promise as a cancer chemotherapy agent? -
CORRECT ANSWER - A drug that prevents the mitotic spindle from forming
Strictly speaking the phrase "like bigets like" refers to - CORRECT ANSWER - Asexual
Reproduction only
, MGRADES UPDATED EXAMS
Which of the following statements regarding cell division is false? - CORRECT
ANSWER - Cell division is common in eukaryotes but rare in prokaryotes.
Karyotyping - CORRECT ANSWER - can reveal alterations in chromosome number
Which of the following kinds of data could be used to map the relative position of three genes on
a chromosome? - CORRECT ANSWER - the frequencies with which the corresponding
traits occur together in offspring
What is the normal complement of sex chromosomes in a human male? - CORRECT
ANSWER - one X chromosome and one Y chromosome
How is sex determined in most ants and bees? - CORRECT ANSWER - by the number of
chromosomes
Varieties of plants in which self-fertilization produces offspring that are identical to the parents
are referred to as - CORRECT ANSWER - true-breeding
Assuming that the probability of having a female child is 50% and the probability of having a
male child is also 50%, what is the probability that a couple's first-born child will be female and
that their second-born child will be male? - CORRECT ANSWER - 25%
The chromosome theory of inheritance states that - CORRECT ANSWER - the behavior
of chromosomes during meiosis and fertilization accounts for patterns of inheritance.
All the offspring of a cross between a red-flowered plant and a white-flowered plant have pink
flowers. This means that the allele for red flowers is ________ to the allele for white flowers. -
CORRECT ANSWER - incomplete dominance
Biology 1001 Final LSUE UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Which of the following statements regarding prokaryotes is false? - CORRECT
ANSWER - Prokaryotic chromosomes are more complex than those of eukaryotes.
At the start of mitotic anaphase, - CORRECT ANSWER - the centromeres of each
chromosome come apart.
The creation of genetically identical offspring by a single parent, without the participations of a
sperm and egg, is called - CORRECT ANSWER - Asexual Reproduction
Independent orientation of chromosomes at metaphase 1 and random fertilization are most like -
CORRECT ANSWER - shuffling cards and dealing out hands of poker.
Eukaryotic Chromosomes differ from prokaryotic Chromosomes in that they - CORRECT
ANSWER - are housed in a membrane-enclosed nucleus.
The phase of mitosis during which the mitotic spindle begins to form is - CORRECT
ANSWER - prophase
Which of the following is probably the main factor responsible for the phenomenon of density-
dependant inhibition? - CORRECT ANSWER - physical contact of cell-surface proteins
between adjacent cells
Which of the following shows the greatest promise as a cancer chemotherapy agent? -
CORRECT ANSWER - A drug that prevents the mitotic spindle from forming
Strictly speaking the phrase "like bigets like" refers to - CORRECT ANSWER - Asexual
Reproduction only
, MGRADES UPDATED EXAMS
Which of the following statements regarding cell division is false? - CORRECT
ANSWER - Cell division is common in eukaryotes but rare in prokaryotes.
Karyotyping - CORRECT ANSWER - can reveal alterations in chromosome number
Which of the following kinds of data could be used to map the relative position of three genes on
a chromosome? - CORRECT ANSWER - the frequencies with which the corresponding
traits occur together in offspring
What is the normal complement of sex chromosomes in a human male? - CORRECT
ANSWER - one X chromosome and one Y chromosome
How is sex determined in most ants and bees? - CORRECT ANSWER - by the number of
chromosomes
Varieties of plants in which self-fertilization produces offspring that are identical to the parents
are referred to as - CORRECT ANSWER - true-breeding
Assuming that the probability of having a female child is 50% and the probability of having a
male child is also 50%, what is the probability that a couple's first-born child will be female and
that their second-born child will be male? - CORRECT ANSWER - 25%
The chromosome theory of inheritance states that - CORRECT ANSWER - the behavior
of chromosomes during meiosis and fertilization accounts for patterns of inheritance.
All the offspring of a cross between a red-flowered plant and a white-flowered plant have pink
flowers. This means that the allele for red flowers is ________ to the allele for white flowers. -
CORRECT ANSWER - incomplete dominance
