BIOL100 MIDTERM 2 – QUESTIONS & SOLUTIONS
Match the chromosome makeup with the human cell type(s): ✔️Ans - ALL
OF THEM
A cell with two of each chromosome type is _______. ✔️Ans - Diploid Cell
An important principle of mitosis is: ✔️Ans - Mitosis generates genetically
identical daughter cells
A gene has all of the following properties, EXCEPT: ✔️Ans - it is a cellular
organelle
A genetic locus is: ✔️Ans - A location of a gene in a chromosome
Genetic inheritance is based on the "blueprint" of: ✔️Ans - DNA
In a eukaryotic cell that is undergoing cell division, what do we call each half
of a replicated and separated chromosome? ✔️Ans - chromatid
The hereditary information in chromosomes is: ✔️Ans - DNA
In prokaryotes, the term "binary fission" specifically refers to:
Select one: ✔️Ans - asexual reproduction
Which of these are responsible for generating genetic variation in humans
that is heritable? (check all that apply) ✔️Ans - mutation in DNA
pairing of one egg with one of many different possible sperm
sorting of chromosomes during meiosis
Match the tissue type with its genetic content ✔️Ans - A sperm cell-
haploid
A fertilized egg-diploid
A fern spore-haploid
A baby-diploid
A skin cell-diploid
, A human cell with 46 chromosomes-diploid
A zygote-diploid
Match the term in genetics with its correct description ✔️Ans - A location
of a gene-A locus
A microtubule attachment site-A kinetochore
A replicated chromosome-A chromatid
A version of a gene-An allele
What are properties of stem cells? (check all that apply) ✔️Ans - they give
rise to specialized cell types
they have the ability to divide
Meiotic cell division occurs in ________ and results in the production of ________.
✔️Ans - testes and ovaries; haploid cells
An important principle of meiosis is: ✔️Ans - Meiosis generates haploid
eggs or sperm
The sex-determining chromosomes of a human male are the: ✔️Ans - X &
Y chromosomes
In a typical human body cell, how many sex chromosomes are there? ✔️Ans
- 2
How many nucleotides are in each human chromosome (i.e. which description
is not an exaggeration)? ✔️Ans - millions
Microtubules attach to a chromosome near the ______ ✔️Ans - centromere
Which of the following is the correct structure of a nucleotide? ✔️Ans -
phosphate-sugar-base
Match the chromosome makeup with the human cell type(s): ✔️Ans - 44
autosomes plus two X chromosomes - female zygote cell
44 autosomes plus an X and a Y chromosome - male zygote cell
Match the chromosome makeup with the human cell type(s): ✔️Ans - ALL
OF THEM
A cell with two of each chromosome type is _______. ✔️Ans - Diploid Cell
An important principle of mitosis is: ✔️Ans - Mitosis generates genetically
identical daughter cells
A gene has all of the following properties, EXCEPT: ✔️Ans - it is a cellular
organelle
A genetic locus is: ✔️Ans - A location of a gene in a chromosome
Genetic inheritance is based on the "blueprint" of: ✔️Ans - DNA
In a eukaryotic cell that is undergoing cell division, what do we call each half
of a replicated and separated chromosome? ✔️Ans - chromatid
The hereditary information in chromosomes is: ✔️Ans - DNA
In prokaryotes, the term "binary fission" specifically refers to:
Select one: ✔️Ans - asexual reproduction
Which of these are responsible for generating genetic variation in humans
that is heritable? (check all that apply) ✔️Ans - mutation in DNA
pairing of one egg with one of many different possible sperm
sorting of chromosomes during meiosis
Match the tissue type with its genetic content ✔️Ans - A sperm cell-
haploid
A fertilized egg-diploid
A fern spore-haploid
A baby-diploid
A skin cell-diploid
, A human cell with 46 chromosomes-diploid
A zygote-diploid
Match the term in genetics with its correct description ✔️Ans - A location
of a gene-A locus
A microtubule attachment site-A kinetochore
A replicated chromosome-A chromatid
A version of a gene-An allele
What are properties of stem cells? (check all that apply) ✔️Ans - they give
rise to specialized cell types
they have the ability to divide
Meiotic cell division occurs in ________ and results in the production of ________.
✔️Ans - testes and ovaries; haploid cells
An important principle of meiosis is: ✔️Ans - Meiosis generates haploid
eggs or sperm
The sex-determining chromosomes of a human male are the: ✔️Ans - X &
Y chromosomes
In a typical human body cell, how many sex chromosomes are there? ✔️Ans
- 2
How many nucleotides are in each human chromosome (i.e. which description
is not an exaggeration)? ✔️Ans - millions
Microtubules attach to a chromosome near the ______ ✔️Ans - centromere
Which of the following is the correct structure of a nucleotide? ✔️Ans -
phosphate-sugar-base
Match the chromosome makeup with the human cell type(s): ✔️Ans - 44
autosomes plus two X chromosomes - female zygote cell
44 autosomes plus an X and a Y chromosome - male zygote cell
