Transcript 20 Square Template

Chapter 3
Jeopardy
Start
Mendel
Genetics
Probability
Punnett
Squares
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Final Jeopardy Question
Cross
Mendel studied different
characteristics in pea plants by
_________ pollinating them.
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10 Point Question
genes
Factors that control traits are
called
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20 Point Question
purebred
Mendel called a plant
that had two identical
alleles this ________
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30 Point Question
¾ or 75%
What did Mendel predict was
the probability of producing a
tall plant from a cross of two
hybrid tall pea plants?
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40 Point Question
Alleles
The different forms
of a gene are called
___________
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10 Point Question
different
A heterozygous organism has
two ____________ alleles
for a trait.
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20 Point Question
Tall
If purebred short pea plants are
crossed with purebred tall pea
plants, all of the offspring will be
______________
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30 Point Question
Two dominant alleles
What does the notation of two capital
letters together mean to geneticists? An
example is DD.
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40 Point Question
Probability
The likelihood that that a particular
event will occur is known as
______________
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10 Point Question
True
True or False: A pea plant that is
heterozygous for tall stems has the
alleles Tt.
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20 Point Question
¼ or 25%
In Mendel’s experiments, what portion
of the plants in the F2 generation
had a trait that had been absent in
the F1 generation?
A. None
B. ¼ or 25%
C. Half or 50%
D. ¾ or 75%
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30 Point Question
100% will have black fur (Bb)
If a homozygous black guinea pig (BB)
is crossed with a homozygous
white guinea pig (bb), what is the
probability that the offspring will
have black fur?
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40 Point Question
False, (offspring)
True or False: A Punnett
square shows all the
possible combinations
of alleles in parents
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10 Point Question
Punnett Square
A __________ shows all
of the possible allele
combinations of a
genetic cross
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20 Point Question
D. One dominant/one recessive
A.
B.
C.
D.
What does the notation Tt mean to
geneticists?
Two dominant alleles
Two recessive alleles
At least one recessive allele
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One dominant allele and one recessive
allele
30 Point Question
C neither dominant nor recessive
What does codominance mean
in genetics?
Both alleles are dominant
B. Both alleles are dominant and
recessive
C. The alleles are neither dominant
nor recessive
A.
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40 Point Question
B. Phenotype
A.
B.
C.
An organism’s physical
appearance is its
Genotype
Phenotype
Codominance
10 Point Question
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A. Genetic Makeup
An organism’s genotype
is its
A.
B.
C.
D.
Genetic makeup
Feather color
Physical appearance
Stem height
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20 Point Question
False- only probability
True or False
Punnett squares predict the
exact outcome of the
offspring of a genetic cross
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30 Point Question
Photosynthesis
The process where plants
take in water and carbon
dioxide to make glucose and
oxygen is known as?
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40 Point Question
Draw a Punnett square for a cross
between a homozygous short pea plant
and a heterozygous tall pea plant
 Predict the possibility of getting a tall
pea plant.

Punnett square should contain tt and Tt and the possibility
of getting a tall pea plant is 50%