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WorksheetsChapter 7 Review
Total questions: 67
Worksheet time: 35mins
The ability to reproduce in kind is a property of all living things.
True
False
Which type of reproduction requires fertilization (sperm and egg to fuse)?
Binary Fission
Sexual
Asexual
Budding
If a cell is described as 2N it is a _________ cell.
polyploidy
haploid
aneuploidy
diploid
If a cell is described as n it is a _______ cell.
haploid
diploid
polyploidy
aneuploidy
Sex cells are known as (sperm and eggs)
somatic
gametes
Skin, stomach, and nerve cells are known as
somatic
gametes
Which of the following is NOT an advantage of asexual reproduction?
no mate needed
offspring are identical to parents
genetic variation
reproduces quickly
The Red Queen hypothesis describes all the following except...
with no variations in the gene pool adaption will take place
no species can get too far ahead of other species
every small advantage gives a species an "edge"
all species coevolve
species that can't keep up go extinct
Before replication, germ cells have how many chromosomes?
23
46
92
After replication, germ cells have how many chromatids?
23
46
92
After meiosis, gamete cells have how many chromatids?
23
46
92
In sexual reproduction where do the chromosomes come from
all chromosomes come from one parent
chromosomes are randomly dispersed until the correct number is achieved
one chromosome comes from each parent
chromosomes come from sisters
Mitosis produces ______ daughter cells that are identical to the parent cell.
one
two
three
four
Meiosis produces ______ daughter cells that are unique from each other and the parent cell.
one
two
three
four
What cell is used to produce gametes?
skin
brain
germ
gametic
Mitosis has how many rounds of division (enter number)?
(a)
Meiosis has how many rounds of division (enter number)?
(a)
Mitosis produces cells that are
haploid
diploid
Meiosis produces cells that are
haploid
diploid
Before mitosis or meiosis, what stage must take place?
Cytokinesis
Interphase
Meiosis I
Meiosis II
DNA Replication takes place before both meiosis I and meiosis II.
True
False
Select the processes that take place during meiosis that contribute to genetic variation
independent assortment
homologous chromosomes separating
sister chromatids separating
crossing over
Crossing over takes place during
Prophase I
Metaphase I
Prophase II
Metaphase II
Independent assortment takes place in
Metaphase I
Anaphase I
Metaphase II
Anaphase II
Meiosis I is all about separating
sister chromatids
chromosomes
homologous chromosomes
centrioles
Meiosis II is all about separating
sister chromatids
chromosomes
homologous chromosomes
centrioles
Which round of meiosis is similar to mitosis?
Meiosis I
Meiosis II
Meiosis reduces chromosome number by half. This is why it is referred to as a _________________ process.
reduction
difficult
reductional division
dividing
Identify the phase where chromosomes condense, nuclear envelope disappears, spindles form, and crossing over takes place.
Prophase I
Metaphase I
Anaphase I
Telophase I and Cytokinesis
Identify the phase where pairs of homologous chromosomes move to the equator.
Prophase I
Metaphase I
Anaphase I
Telophase I and Cytokinesis
Identify the phase where pairs of homologous chromosomes move away to the opposite parts of the cell.
Prophase I
Metaphase I
Anaphase I
Telophase I and Cytokinesis
Identify the phase where pairs of homologous chromosomes gather at the poles and cytoplasm splits into two cells.
Prophase I
Metaphase I
Anaphase I
Telophase I and Cytokinesis
Identify the phase where spindles form, nucleus disappears, and centrioles move to the poles.
Prophase II
Metaphase II
Anaphase II
Telophase II and Cytokinesis
Identify the phase where sister chromatids line up at the equator.
Prophase II
Metaphase II
Anaphase II
Telophase II and Cytokinesis
Identify the phase where sister chromatids move away to the opposite ends of the cell.
Prophase II
Metaphase II
Anaphase II
Telophase II and Cytokinesis
Identify the phase where nucleus reforms, spindle breaks down, and cytoplasm splits to produce a total of 4 cells.
Prophase II
Metaphase II
Anaphase II
Telophase II and Cytokinesis
When homologous pairs line up in close interaction it is called
chiasma
synapsis
centromere
kinetochore
When homologous chromosomes exchange genetic material they are referred to as ______________ chromosomes.
changed
sister chromatids
non-recombinant
recombinant
Some homologous chromosomes exchange genetic material and some do not. When they don't exchange genetic material they are referred to as ______________ chromosomes.
changed
sister chromatids
non-recombinant
recombinant
The point of contact where non-sister chromatids exchange genetic material is known as
chiasma
synapsis
centromere
kinetochore
When homologous chromosomes pairs line up in metaphase I they do so at random. This is known as
Crossing Over
Segregation
Independent Assortment
Original Orientation
If an organism gametes contain 4 chromosomes, then how many combinations could be made based on independent assortment?
2
8
16
32
If an organism diploid cells contain 16 chromosomes, then how many combinations could be made based on independent assortment?
16
256
586
65,536
X-inactivation can only take place in
males
females
The X chromosome that undergoes inactivation is known as
Barr body
bad X
inactive X
active X
This refers to the number of chromosomes in a cell
ploidy
euploid
aneuploidy
polyploidy
If an organism has the correct number of chromosomes per cell they are
ploidy
euploid
aneuploidy
polyploidy
If an organism has the incorrect number of chromosomes per cell they are
ploidy
euploid
aneuploidy
polyploidy
If an organism has three or more sets of chromosomes per cell they are
ploidy
euploid
aneuploidy
polyploidy
This image is known as a
chromosome picture
karyotype
polyploidy
aneuploidy
This karyotype is of a
male
female
This karyotype is of a
male
female
If a gamete experiences the loss of a chromosome due to nondisjunction it is known as
eusomy
monosomy
disomy
trisomy
If a gamete experiences the gain of a chromosome due to nondisjunction it is known as
eusomy
monosomy
disomy
trisomy
This karyotype belongs to an individual that has
euploid cells
monosomy
trisomy
polyploidy
This karyotype belongs to an individual with
Down Syndrome
Turner Syndrome
Trisomy 21
Klinefelter Syndrome
This karyotype belongs to an individual with
Down Syndrome
Turner Syndrome
Trisomy 21
Klinefelter Syndrome
If an individual is aneuploidy and is said to have "XO" for their sex chromosomes they have
Down Syndrome
Turner Syndrome
Trisomy 21
Klinefelter Syndrome
If an individual is aneuploidy and is said to have "XXY" for their sex chromosomes they have
Down Syndrome
Turner Syndrome
Trisomy 21
Klinefelter Syndrome
When a chromosome segment breaks from the chromosome, reverses its orientation, and then reattaches in it's original position it is known as an
inversion
translocation
duplication
deletion
When a chromosome segment breaks from a chromosome and reattaches to a nonhomologous chromosome it is known as a
inversion
translocation
duplication
deletion
When a chromosome segment is copied it is known as a
inversion
translocation
duplication
deletion
When a chromosome segment is deleted it is known as a
inversion
translocation
duplication
deletion
Polyploidy is common in
animals
plants
bacteria
archea
Which life cycle is defined as the dominant stage being diploid
diploid-dominant
haploid-dominant
alteration of generations
Which life cycle is defined as the dominant stage being haploid
diploid-dominant
haploid-dominant
alteration of generations
Which life cycle has both stages apparent
diploid-dominant
haploid-dominant
alteration of generations
