BIO 148
BIO 148 (Mirabito)-University of Kentucky-
Exam 3 Questions and Answers 2026 Update
Asexual reproduction results in offspring that are..... -Correct Answer ✔-genetically
identical to their parents and to each other
sexual reproduction results in offspring that are..... -Correct Answer ✔-genetically
different from their parents and from each other
The fusion of haploid gametes occurs during ____________ -Correct Answer ✔-
Fertilization
What is the biological advantage of asexual reproduction over sexual reproduction? -
Correct Answer ✔-Every organism reproduces in asexual reproduction, whereas two
individuals are needed for sexual reproduction
What are letter examples of sister chromatids? -Correct Answer ✔-HH, GG, gg
What are letter examples of non-sister chromatids? -Correct Answer ✔-Gg, Hh
_______ is the process by which one cell produces two cells that are genetically
identical to itself? -Correct Answer ✔-Mitosis and cytokinesis
Two gametes fuse during _______ to create a zygote -Correct Answer ✔-Fertilization
A zygote divides by _______ to create cells that are genetically identical to itself -
Correct Answer ✔-Mitosis and cytokinesis
_________ is a process by which one cell produces four cells that are genetically
identical to itself -Correct Answer ✔-Meiosis
diploid cell -Correct Answer ✔-containing two complete sets of chromosomes, one from
each parent.
haploid cell -Correct Answer ✔-half the usual number of chromosomes
"Cell is haploid, chromosomes line up in center" describes what phase? -Correct
Answer ✔-Metaphase II of meiosis
The diploid organism Biologica isawesema has 10 TOTAL chromosomes in each of its
body (somatic) cells. If a cell from this organism divides by meiosis, the cells formed by
BIO 148
,BIO 148
meiosis I and cytokinesis will have _____ CHROMOSOMES and _____ DNA
MOLECULES. -Correct Answer ✔-5, 10
How does meiosis relate to sexual reproduction? -Correct Answer ✔-meiosis produces
haploid cells that develop into gametes that unite during fertilization
In sexually reproducing species, how does the number of chromosomes in offspring
compare to parent -Correct Answer ✔-same number
In cats, 2n=38. How many chromosomes are in a somatic cell of a cat? -Correct Answer
✔-38
The cells _____ the chromosomes do not _______ -Correct Answer ✔-fuse, fuse
When you use a four-box Punnett square to solve a genetic problem, you put the
______ on the outside of the four boxes and the ______ inside the four boxes. -Correct
Answer ✔-gamete genotypes, offspring genotypes
Which of the following is the expected result from the cross of a pure-breeding yellow
seed plant with a pure-breeding green seed plant? The offspring will be ______. -
Correct Answer ✔-all yellow seed plants
If a tall person mates with a short person, blending theory predicts that their children will
be ________. -Correct Answer ✔-all intermediate in height
Our name for the "particles" that Mendel envisioned were being inherited is _____ -
Correct Answer ✔-genes
T/f. A replicated chromosome contains DNA sequences inherited from both parents -
Correct Answer ✔-False
In anaphase I of meiosis -Correct Answer ✔-Homologous chromosomes move toward
opposite poles
If a cell with 32 total chromosomes divides by meiosis, how many chromosomes will
each nucleus contain after the first cytokinesis (after telophase I)? -Correct Answer ✔-
16
If a cell has 32 total chromosomes divides by meiosis, how many chromosomes will
each nucleus contain after the second cytokinesis (after telophase II)? -Correct Answer
✔-32
If a cell with 8 total chromosomes divides by meiosis, how many DNA MOLECULES will
each nucleus contain after telophase I and cytokinesis? -Correct Answer ✔-8
BIO 148
, BIO 148
Chimpanzees have 48 chromosomes in a normal body cell. At the end of Meiosis I,
each cell has _____ chromosomes. After meiosis II and cytokinesis, each cell has ____
chromosomes -Correct Answer ✔-24, 24
How do the chromosomes in a cell produce by meiosis change during the time that the
cell develops into a sperm cell? -Correct Answer ✔-they don't
A parent has a mutant version of a gene (mutant allele). What fraction of their offspring
will inherit the mutant allele? -Correct Answer ✔-half
Genes are sequences of -Correct Answer ✔-nucleotides
Which of the following is a possible outcome of a single meiosis in an AaBb individual if
A and B are on different chromosomes? -Correct Answer ✔-Ab Ab aB aB
A gene that codes for an enzyme required for black fur pigment is on an autosome. A
female dog has two different alleles of the gene, one called A and the other called a.
What fraction of her eggs will contain a chromosome with the a allele? -Correct Answer
✔-1/2
Autsome -Correct Answer ✔-Any chromosome that is not a sex chromosome
A pure breeding yellow, wrinkled-seeded plant was crossed to a pure-breeding green,
round-seeded plant to produce F1 plants. What is the expected result from self-
fertilization of the F1? -Correct Answer ✔-9/16 yellow round , 3/16 green, round 3/16
yellow wrinkled, 1/16 green wrinkled
In rabbits, the dominant "A" allele results in normal legs and aa results in very short
legs. The dominant "B" allele results in black fur and bb results in white fur. A cross is
made between pure-breeding rabbits with short legs and black fur and pure-breeding
white rabbits with normal legs. What percentage of the offspring would be expected to
have normal legs and white fur? -Correct Answer ✔-0
When Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring
were yellow seeded. When he took these F1 yellow-seeded plants and crossed them to
green-seeded plants, what genotypic ratio is expected? -Correct Answer ✔-1:1
What terms describe a the way a mutation can change the DNA sequence of a cell or
organism? -Correct Answer ✔-point mutation, insertion mutation, deletion mutation,
gene duplication
What must be required for a group of organisms to be members of a single population?
-Correct Answer ✔-same species, same location, must be living at the same time
BIO 148
BIO 148 (Mirabito)-University of Kentucky-
Exam 3 Questions and Answers 2026 Update
Asexual reproduction results in offspring that are..... -Correct Answer ✔-genetically
identical to their parents and to each other
sexual reproduction results in offspring that are..... -Correct Answer ✔-genetically
different from their parents and from each other
The fusion of haploid gametes occurs during ____________ -Correct Answer ✔-
Fertilization
What is the biological advantage of asexual reproduction over sexual reproduction? -
Correct Answer ✔-Every organism reproduces in asexual reproduction, whereas two
individuals are needed for sexual reproduction
What are letter examples of sister chromatids? -Correct Answer ✔-HH, GG, gg
What are letter examples of non-sister chromatids? -Correct Answer ✔-Gg, Hh
_______ is the process by which one cell produces two cells that are genetically
identical to itself? -Correct Answer ✔-Mitosis and cytokinesis
Two gametes fuse during _______ to create a zygote -Correct Answer ✔-Fertilization
A zygote divides by _______ to create cells that are genetically identical to itself -
Correct Answer ✔-Mitosis and cytokinesis
_________ is a process by which one cell produces four cells that are genetically
identical to itself -Correct Answer ✔-Meiosis
diploid cell -Correct Answer ✔-containing two complete sets of chromosomes, one from
each parent.
haploid cell -Correct Answer ✔-half the usual number of chromosomes
"Cell is haploid, chromosomes line up in center" describes what phase? -Correct
Answer ✔-Metaphase II of meiosis
The diploid organism Biologica isawesema has 10 TOTAL chromosomes in each of its
body (somatic) cells. If a cell from this organism divides by meiosis, the cells formed by
BIO 148
,BIO 148
meiosis I and cytokinesis will have _____ CHROMOSOMES and _____ DNA
MOLECULES. -Correct Answer ✔-5, 10
How does meiosis relate to sexual reproduction? -Correct Answer ✔-meiosis produces
haploid cells that develop into gametes that unite during fertilization
In sexually reproducing species, how does the number of chromosomes in offspring
compare to parent -Correct Answer ✔-same number
In cats, 2n=38. How many chromosomes are in a somatic cell of a cat? -Correct Answer
✔-38
The cells _____ the chromosomes do not _______ -Correct Answer ✔-fuse, fuse
When you use a four-box Punnett square to solve a genetic problem, you put the
______ on the outside of the four boxes and the ______ inside the four boxes. -Correct
Answer ✔-gamete genotypes, offspring genotypes
Which of the following is the expected result from the cross of a pure-breeding yellow
seed plant with a pure-breeding green seed plant? The offspring will be ______. -
Correct Answer ✔-all yellow seed plants
If a tall person mates with a short person, blending theory predicts that their children will
be ________. -Correct Answer ✔-all intermediate in height
Our name for the "particles" that Mendel envisioned were being inherited is _____ -
Correct Answer ✔-genes
T/f. A replicated chromosome contains DNA sequences inherited from both parents -
Correct Answer ✔-False
In anaphase I of meiosis -Correct Answer ✔-Homologous chromosomes move toward
opposite poles
If a cell with 32 total chromosomes divides by meiosis, how many chromosomes will
each nucleus contain after the first cytokinesis (after telophase I)? -Correct Answer ✔-
16
If a cell has 32 total chromosomes divides by meiosis, how many chromosomes will
each nucleus contain after the second cytokinesis (after telophase II)? -Correct Answer
✔-32
If a cell with 8 total chromosomes divides by meiosis, how many DNA MOLECULES will
each nucleus contain after telophase I and cytokinesis? -Correct Answer ✔-8
BIO 148
, BIO 148
Chimpanzees have 48 chromosomes in a normal body cell. At the end of Meiosis I,
each cell has _____ chromosomes. After meiosis II and cytokinesis, each cell has ____
chromosomes -Correct Answer ✔-24, 24
How do the chromosomes in a cell produce by meiosis change during the time that the
cell develops into a sperm cell? -Correct Answer ✔-they don't
A parent has a mutant version of a gene (mutant allele). What fraction of their offspring
will inherit the mutant allele? -Correct Answer ✔-half
Genes are sequences of -Correct Answer ✔-nucleotides
Which of the following is a possible outcome of a single meiosis in an AaBb individual if
A and B are on different chromosomes? -Correct Answer ✔-Ab Ab aB aB
A gene that codes for an enzyme required for black fur pigment is on an autosome. A
female dog has two different alleles of the gene, one called A and the other called a.
What fraction of her eggs will contain a chromosome with the a allele? -Correct Answer
✔-1/2
Autsome -Correct Answer ✔-Any chromosome that is not a sex chromosome
A pure breeding yellow, wrinkled-seeded plant was crossed to a pure-breeding green,
round-seeded plant to produce F1 plants. What is the expected result from self-
fertilization of the F1? -Correct Answer ✔-9/16 yellow round , 3/16 green, round 3/16
yellow wrinkled, 1/16 green wrinkled
In rabbits, the dominant "A" allele results in normal legs and aa results in very short
legs. The dominant "B" allele results in black fur and bb results in white fur. A cross is
made between pure-breeding rabbits with short legs and black fur and pure-breeding
white rabbits with normal legs. What percentage of the offspring would be expected to
have normal legs and white fur? -Correct Answer ✔-0
When Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring
were yellow seeded. When he took these F1 yellow-seeded plants and crossed them to
green-seeded plants, what genotypic ratio is expected? -Correct Answer ✔-1:1
What terms describe a the way a mutation can change the DNA sequence of a cell or
organism? -Correct Answer ✔-point mutation, insertion mutation, deletion mutation,
gene duplication
What must be required for a group of organisms to be members of a single population?
-Correct Answer ✔-same species, same location, must be living at the same time
BIO 148
