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Worksheets4th Six Weeks Test Review
Total questions: 35
Worksheet time: 34mins
___________________ is a disorder in which some cells divide uncontrollably.
hemophilia
colorblindness
cancer
sickle cell anemia
How many chromosomes are shown in a diploid human karyotype?
23
46
11
92
Mendel’s principles of genetics apply to
just pea plants
animals only
plants only
all organisms
Organisms that have two identical alleles for a particular trait
homozygous
heterozygous
identical
heterozygous recessive
Organisms that have two different alleles for a particular trait
homozygous
heterozygous
identical
heterozygous recessive
How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was PpYY?
1
2
4
8
The factors that determine traits are called
genetics
alleles
characteristics
hybrids
When does the cell grow?
m phase
interphase
mitosis
cytokineses
What is the purpose of mitosis?
sexual reproduction
growth and repair
DNA replication
cell transportation
What is the purpose of meiosis?
sexual reproduction
growth and repair
DNA replication
cell transportation
When Gregor Mendel crossed a purebred plant with a dominant trait with a purebred plant with a recessive trait, all the F1 generation portrayed the
dominant trait
recessive trait
both traits
an "in between trait"
Four genetically different cells are produced during ______________.
meiosis
mitosis
Two genetically identical cells are produced during ______________.
meiosis
mitosis
Gametes are produced during
meiosis
mitosis
Somatic cells are produced during
meiosis
mitosis
What is the approximate probability that a human offspring will be male?
10%
50%
75%
100%
The result in a 3rd phenotype in offspring is an example of
dominance
incomplete dominance
multiple alleles
polygenic traits
Which of the following lists the phases of mitosis in their proper sequence?
interphase, prophase, metaphase, telophase
interphase, prophase, metaphase, anaphase, telophase
prophase, metaphase, anaphase, telophase
prophase, metaphase, anaphase, telophase, cytokinesis
Where could an extra chromosome be seen?
pedigree chart
karyotype chart
punnett square
beaker
Which of the following genotypes result in the same phenotype?
AA and AB
AA and AO
AB and OO
AO and OO
If an organism’s haploid number is 20, its diploid number is
10
40
100
20
A series of events that cells go through as they grow and divide is the
cell cycle
cytokineses
mitosis
meiosis
True or False: Traits are inherited through the passing of factors from parents to offspring.
True
False
True or False: Traits are inherited through the passing of factors from parents to offspring.
True
False
When during the cell cycle is a cell’s DNA replicated?
G1 phase
S phase
Mitosis
G2 phase
If an organism’s diploid number is 30, its haploid number is
60
15
10
2
Situations in which one allele for a gene is not completely dominant over another allele for that gene are called
co-dominance
incomplete dominance
dominance
polygenic traits
The number of chromosomes in a gamete is represented by the symbol
x
n
y
z
