BIOS-1120-100 EXAM WITH
CORRECT ANSWERS
2025
Which of the following is TRUE of cell division
A) Three daughter cells are produced from one parent cell
B) A parent cell normally gives rise to two daughter cells
C) Each daughter cell receives one-third of the hereditary information in the
parent cell
D)The hereditary information is DNA in the parent cell and RNA in the
daughter cell. ( correct answers ) a parent cell normally gives to two
daughter cells
Which of the following statements about stem cells are TRUE?
E) They are found only in embryos.
F) They are able to differentiate into a variety of cell types.
G) They are found only in embryos and in the bone marrow of adults
H) They are 'perpetual' parent cells that never product daughter cells.
I)They are permanently differentiated and cannot divide further.
Genetic
( correctinheritance is based
answers ) they on what
are able type of
to differentiate into a variety of cell types
molecule?
A) DNA
B) Proteins
C) Enzymes
D) mRNA ( correct answers ) dna
Put in order from smallest (most compact) to ( correct
largest Chromosome, nucleosome, chromatin, answers )
The site on
DNA, histonesa chromosome where microtubules attach during cell division is
the
A) histone
B) locus
C) telomere
D) chromatid
E) centromere ( correct answers ) centromere
DNA replication occurs
F) Immediately before prophase of mitosis
G) At any time during cell division
H) During prophase of mitosis
I) Between the gap phases (G1 and G2) of interphase
J)During prophase of meiosis ( correct answers )
between the gap phases (G1 and G2) of interphase
,The nuclear membrane re-forms during
A) Interphase
B) Anaphase
C) Telophase
D) Prophase
E) Metaphase ( correct answers ) telophase
Which phase are cells in if they are not actively dividing?
F) G0
G) G1
H) G2
I) S Phase ( correct answers ) G0
A diploid cell has the number of chromosomes as a haploid cell
J) ¼
K) half
L) twice
M) four times ( correct answers ) twice
Haploid cells contain set of chromosomes one ( correct answers )
one
True or false: Homologous chromosomes are matched pairs containing the
same genes in identical locations along their lengths ( correct answers )
A
true is the genetic makeup of an
individual
A) Phenotype
B) Genotype
C) Haploid
D) Diploid ( correct answers ) genotype
( correct answers )
Name one type of mutation that can occur (There
are 5!) duplication -
-inversion
-deletion
-insertion
-translocation
True or false: Meiosis has 1 round of division ( correct answers ) false
Meiosis is the nuclear division that forms cells from cells
( correct answers ) haploid and diploid
During Interphase DNA is replicated to create sister chromatids in:
A) Meiosis
B) Mitosis
C) Neither
, D.) Both A and B ( correct answers ) both a and b
Crossing over occurs in what phase?
A) Interphase
B) Prophase I
C) Prophase II
D) Metaphase I
E) Metaphase II ( correct answers ) prophase I
At the end of meiosis, you end up with
F) Two diploid cells
G) Two haploid cells
H) Four diploid cells
I) Four haploid cells ( correct answers ) four
haploid cells
Which of the following is NOT true of human chromosomes?
A) Human gametes end up with one of each type of 23
chromosomes
B) The haploid number is 23
C) The diploid number is 46
D) There are 23 pairs of chromosomes ( corre
answers
E) Human ) gametes
human gametes end two
end up with up with two type
of each of each type of 23 chromosomes
of 23 ct
chromosomes
Four of the five answers listed below are characteristics of meiosis. Select
the exception
A) Results in producing genetically identical cells.
B) Recues the number of chromosomes
C) Involves two divisions
D) Involves synapsis
E)Produces haploid cells ( correct answers ) A)
results in producing genetically identical cells
The different forms of a given gene - for example, those responsible for
eye color, are called....
F) cyclins
G) alleles
H) telomeres
I) sister chromatids
J) receptors ( correct answers ) alleles
In a typical human body (somatic) cell, how many total chromosomes are
there?
K) 1
L) 2
M) 23
N) 46 ( correct answers ) 46
What is true about genetic variation? Select all that apply
CORRECT ANSWERS
2025
Which of the following is TRUE of cell division
A) Three daughter cells are produced from one parent cell
B) A parent cell normally gives rise to two daughter cells
C) Each daughter cell receives one-third of the hereditary information in the
parent cell
D)The hereditary information is DNA in the parent cell and RNA in the
daughter cell. ( correct answers ) a parent cell normally gives to two
daughter cells
Which of the following statements about stem cells are TRUE?
E) They are found only in embryos.
F) They are able to differentiate into a variety of cell types.
G) They are found only in embryos and in the bone marrow of adults
H) They are 'perpetual' parent cells that never product daughter cells.
I)They are permanently differentiated and cannot divide further.
Genetic
( correctinheritance is based
answers ) they on what
are able type of
to differentiate into a variety of cell types
molecule?
A) DNA
B) Proteins
C) Enzymes
D) mRNA ( correct answers ) dna
Put in order from smallest (most compact) to ( correct
largest Chromosome, nucleosome, chromatin, answers )
The site on
DNA, histonesa chromosome where microtubules attach during cell division is
the
A) histone
B) locus
C) telomere
D) chromatid
E) centromere ( correct answers ) centromere
DNA replication occurs
F) Immediately before prophase of mitosis
G) At any time during cell division
H) During prophase of mitosis
I) Between the gap phases (G1 and G2) of interphase
J)During prophase of meiosis ( correct answers )
between the gap phases (G1 and G2) of interphase
,The nuclear membrane re-forms during
A) Interphase
B) Anaphase
C) Telophase
D) Prophase
E) Metaphase ( correct answers ) telophase
Which phase are cells in if they are not actively dividing?
F) G0
G) G1
H) G2
I) S Phase ( correct answers ) G0
A diploid cell has the number of chromosomes as a haploid cell
J) ¼
K) half
L) twice
M) four times ( correct answers ) twice
Haploid cells contain set of chromosomes one ( correct answers )
one
True or false: Homologous chromosomes are matched pairs containing the
same genes in identical locations along their lengths ( correct answers )
A
true is the genetic makeup of an
individual
A) Phenotype
B) Genotype
C) Haploid
D) Diploid ( correct answers ) genotype
( correct answers )
Name one type of mutation that can occur (There
are 5!) duplication -
-inversion
-deletion
-insertion
-translocation
True or false: Meiosis has 1 round of division ( correct answers ) false
Meiosis is the nuclear division that forms cells from cells
( correct answers ) haploid and diploid
During Interphase DNA is replicated to create sister chromatids in:
A) Meiosis
B) Mitosis
C) Neither
, D.) Both A and B ( correct answers ) both a and b
Crossing over occurs in what phase?
A) Interphase
B) Prophase I
C) Prophase II
D) Metaphase I
E) Metaphase II ( correct answers ) prophase I
At the end of meiosis, you end up with
F) Two diploid cells
G) Two haploid cells
H) Four diploid cells
I) Four haploid cells ( correct answers ) four
haploid cells
Which of the following is NOT true of human chromosomes?
A) Human gametes end up with one of each type of 23
chromosomes
B) The haploid number is 23
C) The diploid number is 46
D) There are 23 pairs of chromosomes ( corre
answers
E) Human ) gametes
human gametes end two
end up with up with two type
of each of each type of 23 chromosomes
of 23 ct
chromosomes
Four of the five answers listed below are characteristics of meiosis. Select
the exception
A) Results in producing genetically identical cells.
B) Recues the number of chromosomes
C) Involves two divisions
D) Involves synapsis
E)Produces haploid cells ( correct answers ) A)
results in producing genetically identical cells
The different forms of a given gene - for example, those responsible for
eye color, are called....
F) cyclins
G) alleles
H) telomeres
I) sister chromatids
J) receptors ( correct answers ) alleles
In a typical human body (somatic) cell, how many total chromosomes are
there?
K) 1
L) 2
M) 23
N) 46 ( correct answers ) 46
What is true about genetic variation? Select all that apply
