BSCL1005 Exam 2 CC Quiz With Complete Solutions
Which of the following is NOT a primary function of mitosis? - ANSWER Generate genetic
diversity
Which of the following is NOT a primary function of meiosis? - ANSWER Growth
Using the figure below from your booklet and your understanding of mitosis and
meiosis, select the biological process that occurs at each point during the human life
cycle. - ANSWER Meiosis - chromosome number is halved to produce haploid gametes
Fertilization > egg and sperm fuse to produce a diploid zygote
Mitosis > cells with the same set of DNA divide and develop into an organism
Mitosis AND Meiosis > multicellular adults use mitosis for repair and growth; adults
produce sperm and egg via meiosis
Based on what you've learned in class, why is generating genetic diversity important
from an evolutionary perspective? - ANSWER Meiosis generates genetic diversity in
eggs and sperm. This diversity results in offspring containing slight differences in DNA
from their parents, allowing for genetic diversity between generations.
One way this diversity is important for survival and reproduction of individuals in
populations is that organisms have a better chance of surviving in a changing
environment.
Some women use ovulation kits to determine when they are ovulating. Ovulation kits
work by detecting the amount of luteinizing hormone (LH) in a woman's urine.
A woman took an ovulation test and the levels of LH were high in her urine.
Based on what you know about the female reproductive cycle from class and your
booklet, why do you think ovulation kits are designed to detect LH? At what stage in the
monthly female reproductive cycle is this woman, given the information above? -
ANSWER About 12 days into the female reproductive cycle, the levels of estrogen peak
in a woman's body. This estrogen peak triggers a surge of LH and follicle-stimulating
hormone. The peak of LH triggers the release of the egg from the follicle about 1-2 days
following the surge.
High levels of LH signify that ovulation is about to occur, so this woman will ovulate in
the next day or two.
Which of these investigations could NOT be addressed using gel electophoresis? -
ANSWER WRONG ANSWER - Checking for genomic DNA contamination and purity of
samples
Which of the following is NOT a primary function of mitosis? - ANSWER Generate genetic
diversity
Which of the following is NOT a primary function of meiosis? - ANSWER Growth
Using the figure below from your booklet and your understanding of mitosis and
meiosis, select the biological process that occurs at each point during the human life
cycle. - ANSWER Meiosis - chromosome number is halved to produce haploid gametes
Fertilization > egg and sperm fuse to produce a diploid zygote
Mitosis > cells with the same set of DNA divide and develop into an organism
Mitosis AND Meiosis > multicellular adults use mitosis for repair and growth; adults
produce sperm and egg via meiosis
Based on what you've learned in class, why is generating genetic diversity important
from an evolutionary perspective? - ANSWER Meiosis generates genetic diversity in
eggs and sperm. This diversity results in offspring containing slight differences in DNA
from their parents, allowing for genetic diversity between generations.
One way this diversity is important for survival and reproduction of individuals in
populations is that organisms have a better chance of surviving in a changing
environment.
Some women use ovulation kits to determine when they are ovulating. Ovulation kits
work by detecting the amount of luteinizing hormone (LH) in a woman's urine.
A woman took an ovulation test and the levels of LH were high in her urine.
Based on what you know about the female reproductive cycle from class and your
booklet, why do you think ovulation kits are designed to detect LH? At what stage in the
monthly female reproductive cycle is this woman, given the information above? -
ANSWER About 12 days into the female reproductive cycle, the levels of estrogen peak
in a woman's body. This estrogen peak triggers a surge of LH and follicle-stimulating
hormone. The peak of LH triggers the release of the egg from the follicle about 1-2 days
following the surge.
High levels of LH signify that ovulation is about to occur, so this woman will ovulate in
the next day or two.
Which of these investigations could NOT be addressed using gel electophoresis? -
ANSWER WRONG ANSWER - Checking for genomic DNA contamination and purity of
samples
