Genetics Exam questions and
answers graded A+
How many sets of chromosomes are found in a human somatic cell, and how many chromosomes
are within one set? - ANS✅✅2 sets, with 23 in each set
During this phase of the cell cycle the nuclear membrane reforms around the chromosomes. -
ANS✅✅telophase
During this phase of the cell cycle sister chromatids separate and head towards opposite poles of the
cell. - ANS✅✅anaphase
In animals, somatic cells are ________ and germ cells are ________. - ANS✅✅diploid; haploid
During this phase of the cell cycle the separated sister chromatids are considered independent
chromosomes. - ANS✅✅anaphase
During this phase of the cell cycle chromosomes start to condense. - ANS✅✅prophase
During this phase of the cell cycle the chromosomes line up in the center of the cell. -
ANS✅✅metaphase
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids would
this cell have in G2 phase? - ANS✅✅56
Cell division in prokaryotic cells is called ________, while in eukaryotic cells it is called ________. -
ANS✅✅binary fission; mitosis
Which of the following would contain genetic material that is 100% identical? - ANS✅✅Sister
chromatids
Describe chromosome number in meiosis II in humans. - ANS✅✅1N -> 1N
, Germ-line cells are haploid but gametes are diploid. - ANS✅✅False
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a
cell from this organism have in metaphase of meiosis II? - ANS✅✅28
Independent assortment occurs in prophase I. - ANS✅✅False
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a
gamete from this organism have? - ANS✅✅14
Meiosis takes place in - ANS✅✅diploid cells only
During meiosis I - ANS✅✅homologous chromosomes pair to form a group of four chromatids at
the "equatorial plane."
Which of the following does not occur during prophase of meiosis I? - ANS✅✅Separation of the
homologous chromosomes
Questions 1 - 6 should be answered based on the figure below.
Is this cell a diploid or haploid? - ANS✅✅haploid
What is a diploid number (2n) of this organism? - ANS✅✅10
What stage of cell division is depicted here? Be specific in your answer. - ANS✅✅metaphase II
How many DNA molecules are here? - ANS✅✅10
For this organism, how many chromatids are visible at the end of mitotic prophase? - ANS✅✅20
A single sperm cell of Drosophila melanogaster has 0.18 picograms (pg) of DNA.
What would be the expected nuclear DNA content of a somatic cell (non-sex cell) in the G1 phase?
____ pg. - ANS✅✅0.36
answers graded A+
How many sets of chromosomes are found in a human somatic cell, and how many chromosomes
are within one set? - ANS✅✅2 sets, with 23 in each set
During this phase of the cell cycle the nuclear membrane reforms around the chromosomes. -
ANS✅✅telophase
During this phase of the cell cycle sister chromatids separate and head towards opposite poles of the
cell. - ANS✅✅anaphase
In animals, somatic cells are ________ and germ cells are ________. - ANS✅✅diploid; haploid
During this phase of the cell cycle the separated sister chromatids are considered independent
chromosomes. - ANS✅✅anaphase
During this phase of the cell cycle chromosomes start to condense. - ANS✅✅prophase
During this phase of the cell cycle the chromosomes line up in the center of the cell. -
ANS✅✅metaphase
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids would
this cell have in G2 phase? - ANS✅✅56
Cell division in prokaryotic cells is called ________, while in eukaryotic cells it is called ________. -
ANS✅✅binary fission; mitosis
Which of the following would contain genetic material that is 100% identical? - ANS✅✅Sister
chromatids
Describe chromosome number in meiosis II in humans. - ANS✅✅1N -> 1N
, Germ-line cells are haploid but gametes are diploid. - ANS✅✅False
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a
cell from this organism have in metaphase of meiosis II? - ANS✅✅28
Independent assortment occurs in prophase I. - ANS✅✅False
You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a
gamete from this organism have? - ANS✅✅14
Meiosis takes place in - ANS✅✅diploid cells only
During meiosis I - ANS✅✅homologous chromosomes pair to form a group of four chromatids at
the "equatorial plane."
Which of the following does not occur during prophase of meiosis I? - ANS✅✅Separation of the
homologous chromosomes
Questions 1 - 6 should be answered based on the figure below.
Is this cell a diploid or haploid? - ANS✅✅haploid
What is a diploid number (2n) of this organism? - ANS✅✅10
What stage of cell division is depicted here? Be specific in your answer. - ANS✅✅metaphase II
How many DNA molecules are here? - ANS✅✅10
For this organism, how many chromatids are visible at the end of mitotic prophase? - ANS✅✅20
A single sperm cell of Drosophila melanogaster has 0.18 picograms (pg) of DNA.
What would be the expected nuclear DNA content of a somatic cell (non-sex cell) in the G1 phase?
____ pg. - ANS✅✅0.36
