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Supplemental Instruction
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1. What makes the mitotic spindles?
a. G0
a. Centrosomes
b. G1
b. Centromere
c. S
c. Centrioles
d. G2
d. Microtubules
2. Microtubules make up
_____________.
6. What is the longest stage of Mitosis?
a. Annaphase
a. Mitotic Spindles
b. Metaphase
b. Chromosomes
c. Interphase
c. The strings of the ‘beads on a string’
example
d. Telophase
d. The pearls of the ‘pearl necklace’
example
7. What is the longest stage of the Cell
Cycle?
3. Histomes help
____________________ during the cell
lifecycle.
a. Annaphase
a. Copy DNA
c. Interphase
b. Condense DNA
d. Telophase
b. Metaphase
c. Build DNA
d. Split DNA into daughter cells
8. How many daughter cells are the
product of Mitosis?
4. Daughter cells formed through Mitosis
are genetically varied from their ‘parent’
cells.
a. True
b. False
a. 1
b. 2
c. 3
d. 4
9. Cancer cells lack what?
5. DNA is copied, or synthesized, in the
_____________ stage.
a. Checkpoints that prevent growth
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b. Organelles
b. Cytokinesis, Telophase
c. DNA
c. Cleavage, Anaphase
d. Chromosomes
d. Cleavage, Telophase
10. A chromatin is what?
15. Sister chromosome connect at the
_____________.
a. A supercoiled structure of DNA
a.. Centromere
b. DNA with associated protiens
c. ½ of a Chromosome pair
b. Centrosome
c. Centriole
d. Raw DNA
d. Kinetochore
11. Humans have _______ pairs of
chromosomes
a. 23
16. ________ tumors grow quickly and
can break off and spread throughout the
body.
b. 24
a. Benign -
c. 46
b. Expansion
d. 48
c. Malignant
d. Metastasis
12. Immortal Cells refer to
a. Cancer cells
b. Liver cells
c. Stem cells
d. Brain cells
13. In what stage can you first see the
chromosome pairs?
17. Cloning is an example of _______
reproduction.
a. Sexual
b. Genetic Variation
c. Mutation
d. Asexual
a. Annaphase
b. Metaphase
c. Prophase
18. Bi parental inheritance is when:
d. Telophase
a. you inherit two genes from one
parent
14. The division of the cytoplasm is
called _________ and happens in
____________.
b. you inherit half of each parents genes
a. Cytokinesis, Anaphase
c. you inherit double the amount of
genes from your parents
d. you inherit two chromosomes from
your parents
a. are formed after the synthesis stage
19. Mitotic spindles branching from the
_______ of the centrosomes attach to the
___________ on a chromosome.
c. come from the egg
b. have genes for the same
characteristics
d. come from the sperm
a. centrioles, kinetochore
b. microtubule, centromere
26. Homologous chromosomes are:
c. centrioles, centromere
a. a pair of chromosomes with the same
genes
d. microtubule, kinetochore
20. In ___________, ____________ pull
the chromatids to opposite poles of the
cell
a. Anaphase, centrosomes
b. a pair of duplicated chromosomes
with the same genes
c. a pair of chromosomes that code for
characteristics of the same gene
d. a pair of duplicated chromosomes that
code for a characteristic of the same
gene
b. Telophase, kinetochores
c. Anaphase, kinetochores
d. Telophase, centrosomes
27. What happens in Meiosis II?
a. Sister chromosomes split
b. Homologous chromosomes are split
22. Meiosis leads to genetically identical
daughter cells
a. True
c. The DNA is duplicated again so the
cell can split a second time
d. The cell becomes diploid.
b. False
23. ________ generates gametic sex
cells while ___________ generates
somatic cells in the body.
28. After Meiosis I the cells are
considered haploid.
a. Mitosis, Meiosis
a. True
b. Meiosis, Mitosis
b. False
29. In metaphase I _______________
line up on cell’s ____________.
24. Homologous chromosomes are
found in __________ organisms.
a. Sister chromatids, equator
a. Diploid
b. Tetrads, equator
b. Haploid
c. Sister chromatids, opposite poles
d. Tetrads, opposite poles
25. Homologous chromosomes:
30. The description of DNA as “beads
on a string” refers to DNA that is:
a. tightly condensed and looped
b. in its raw from
34. DNA is condensed :
a. because it balls so hard
c. wrapped around histones
b. to protect itself during new cell
formation
d. being transferred in anaphase
c. to make it easier for enzymes to copy
it
31. Which of the following is does not
result in genetic variation?
a. Crossing Over - synapsis, tetrad,
chaisma
b. Chromosomes Splits
c. Independent Assortment
d. Random Fertilization
32. Locus or loci are:
a. where crossing over occurs
b. refers to the number of times crossing
over occurs
c. refers to the number of possible
independent assortment out comes
d. locations of a specific trait on a
chromatid
d. to prevent enzymes from making
copies of it during new cell formation
35. Someone with 3 copies of
chromosome 21 would probably have:
a. Turnner Syndrome
b. Klinefelter Syndrome
c. TriX Syndrome
d. Down Syndrome
36. Independent assortment refers to
the:
a. chromosomes independence to
recombine with neighboring pairs
b. the independent way chromatids
organize themselves in Metaphase II
c. the independent way tetrads organize
themselves in Metaphase I
d. the independent way tetrads organize
themselves in Metaphase II
33. Chromatin and chromatids are
different how?
37. Where does crossing over occur?
a. from different parents
a. Loci
b. one is the copy of the other
b. Centromere
c. one is the genetically modified version
of the other
c. Chaisma
d. one is the condensed form of the other
d. Histone
38. There are _______ _______ cells at
the end of Mitosis. (Assume parent cell
was diploid)
43. What is Dr. Roe’s dogs name?
a. 4, diploid
a. Matilda
b. 2, diploid
b. Madeline
c. 4, haploid,
c. Melissa
d. 2, haploid
d. Michelle
39. There are _______ _______ cells at
the end of Meiso. (Assume parent cell
was diploid)
44. The theory that genetic material
from parents mix together in the
offspring is called?
a. Blender Effect
a. 4, diploid
b. Blending Hypothesis
b. 2, diploid
c. Particulate Hypothesis
c. 4, haploid,
d. Mixing Hypothesis
d. 2, haploid
40. In anaphase II __________ are
pulled to opposite poles.
a. Pairs of Homologous Chromosomes
b. Tetrads
c. Pairs of Sister Chromosomes
d. Chromatids
41. 4 ________ make up a tetrad
a. Chiasma
b. Synapisi
45. A _______ is a heritable feature and
_______ is a specific variant of that
feature.
a. Allele, Chromosome
b. Character, Chromosome
c. Allele, Trait
d. Character, Trait
46. True breeding is
a. when plants breed naturally
b. when plants are truly in love
c. Chromatids
c. when plants, when self fertilized, only
produce the same traits
d.Chromatins
d. when plants are self fertilized
42. How is genetic diversity not created
in sexual reproduction?
47. F2 is
a.Mutation
a. First generation offspring with two
tracked characters
b.Bi - Parental Inheritance
b. Second generation offspring
c.Mitosis
c. Second generation offspring of true
breeding
d.Meiosis
d. a typo made in an angry text
48. Mendel’s expirements backed all of
the following except:
a. Heritable factors behave as particles
b. Particulate Hypothesis
c. Law of segregation
d. Law of Variation
52. You breed two true breeding plant,
one with character type A and the other
with character type B. Then you self
fertilize the F1 generation. Assuming
this test is within the constraints of
Mendel’s experiments, what would the
F2 ratio be
a. 1:1
b. 2:1
c. 3:1
49. You breed a Purple flowered plant
with a White flowered plant and all the
offspring plants have white flowers.
What can you conclude?
d. 2:2
b. Purple is a dominate gene
53. The expressed characteristics that
can be seen through observation and
breeding is:
c. White is a dominate allele
a. Phenotype
d. Purple is a dominate allele
b. Genotype
a. White is a dominate gene
50. For the plan above, if Purple flowers
were denoted with a c and White flowers
were denoted with a C, what would the
genotype be?
54. A ________ character has different
genotypes for the same phenotype, while
a _________ character has only one
phenotype for each genotype.
a. Homozygous, Heterozygous
a. CC, homozygous
b. Dominate, Heterozygous
b. Cc, homozygous
c. Recessive, Heterozygous
c. Cc, heterozygous
d. Heterozygous, Homozygous
d. cc, heterozygous
55. Genotype always equals phenotype
a. True
b. False
51. When trying to determine the
genotype of an unknown organism you
should use a ______ _______.
56. Alleles on ______________
account for genetic differences in
heredity.
a. Self Cross
a. Sister Chromosome Pairs
b. Dominate Cross
b. Recombinant DNA
c. Genotype Test
c. Homologous Chromosomes Pairs
d. Test Cross
d. Tetrad’s Synapsis
57. Law of Segregation explains
everything except:
a. Alleles segregate during gamete
formation
b. Alleles segregate independently of
alleles on the same chromosome
c. Alleles segregate independently of
alleles on different chromosome
d. Gametes only have one of each allele
58. Law of Independent Assortment has
to do with organization of __________ in
______________.
a. sister chromosomes, metaphaseI
b. homologous chromosomes, metaphase
II
c. sister chromosomes, metaphase II
d. homologous chromosomes, metaphase
I
61. _______ tumors are fast growing,
cancerous cells that can eventually go
through _________.
a. Benign, Metstasis
b. Benign, Meiosis
c. Malignat, Meiosis
d. Malignant, Metastasis
62. Blood type is example of what kind
of allele expression?
a. Complete Dominance
b. Incomplete Dominance
c. Co-Dominance
d. Single Character Dominance
63. __________ is when multiple genes
control a character.
a. Polygentic
b. Pleiotropy
59. Law of Segregation has to do with
the segregation of _______ on
_________ chromosomes in
__________.
c. Co-Dominace
d. Multiple Character Dominance
a. alleles, like, anaphase II
64. ___________ is when one gene
influences mutliple phenotypic traits.
b. alleles, like, anaphase I
a. Polygentic
c. alleles, different, anaphase II
e. Pleiotropy
d. alleles, different, anaphase I
f. Co-Dominace
g. Multiple Character Dominance
60. Which is not a type of Allele
dominance:
a. Co-Dominance
b. Complete Dominance
c. Compatible Dominance
d. Incomplete Dominance
65. Who was the first scientist to
support Mendel’s laws of segregation
and independent assortment ?
a. Oskar Hertwig
b. August Weismann
c. Walter S. Sutton
d. Thomas H Morgan
70. Sex linked genes support:
66. What states that alleles are
segregated during gamete production?
a. Law of Independent Assortment
b. Sutton Theory
c. Law of Segregation
d. Law of Gamete Assortment
67. The Chromosome Theory of
Heredity stated all except:
a. Chromosomal Theory of Inheritance
b. Blending Hypothesis
c. Law of Independent Assortment
d. Law of Segregation
71. When genes are linked they are on
the __________ chromosome and have
_____________ assortment.
a. Same, independent
a. Genes are arranged in a linear fashion
b. Different, independent
b. “Particles” are present at specific loci
on chromosomes
c. Same, dependent
c. Chromosomes line up on the equator in
metaphase randomly
d. Genes have specific positions on
chromosomes
68. A _______ phenotype is one not
often found in nature and often denoted
by a (____)
a. wildtype, +,+
b. mutant, +,+
c. wildtype, -,d. mutant, -,-
d. Different, dependent
72. What are genes located on the same
chromosome that tend to be inherited
together?
a. Recombinant Genes
b. Cloned Genes
c. Linked Genes
d. None of the above
73. When genes are _________ the
genes are different on chromosomes in a
1:1:1:1 ratio.
a. linked
b. unlinked
69. Sex link genes were discovered by
who ?
a. Oskar Hertwig
b. August Weismann c. Walter S. Sutton
d. Thomas H Morgan
74. Genes that are only partially linked
will display phenotypes not int eh
parental cross through genetic
recombination
a. True
b. False
75. Crossing over happens in which
phase?
a. Metaphase I
b. Metaphase II
c. Prophase I
d. Prophase II
76. Genes that are ________ are more
likely to be linked while genes that are
___________ are more likely to be
recombine.
a. closer, farther
b. farther, closer
77. Sex chromosomes, in people, are in
the ________.
a. egg
b. sperm
c. ploidy
78. Females will only express a
phenotype when they are ________ for
that allele, while males will express a
phenotype if they are ___________.
a. homozygous, heterozygous
b. heterozygous, homozygous
c. homozygous, hemizygous
79. Complete a punnett square for a
white eyed female XwXw and a red eyed
male Xw+Y.
80. You have a plant with purple flowers
but do not know its genotype. Assume
purple is the dominate trait, what test
would you use to figure out its genotype?
Show the two possible results