Genetics Jeopardy

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Transcript Genetics Jeopardy

Genetics Jeopardy
History of
Genetics
Inc. Dom.
Probability Punnett
& Codom
Squares
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$100 Question
Who was called the
Father of Genetics?
What did he study?
$100 Answer
Gregor
Mendel, traits
of pea plants
$200 Question
Name a heterozygous genotype, a
homozygous dominant genotype, and
a homozygous recessive genotype
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Rr
RR
rr
$300 Question
The physical expression
of a trait is called the
_________
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Phenotype
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The genetic two alleles that an
organism inherits from
parents (one from mom, one
from dad) is called the
_________________
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Genotype
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The offspring of a pure,
true-breeding generation
(P generation) are called
the ___ generation
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F1
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Incomplete dominance is a
______ of traits
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Blend
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Codominance is a ______
of traits
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Mixture
$300 Question
In incompletely dominant
tulips, blue is dominant and
yellow is recessive. Cross a
blue and yellow tulip, and
explain the offspring
phenotype
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$400 Question
In hummingbirds, red and yellow
feathers are codominant. Cross a
red bird with a yellow bird, and
explain the offspring phenotype
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$500 Question
Codominant or incompletely dominant?
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Codominant
$100 Question
If you were to flip a coin
26 times, how many times
can you predict it will
land on tails? Explain
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13
$200 Question
If a couple has 3 children,
what’s the chance of them all
being girls?
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1/8
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If a couple has 2 children,
what’s the chance of them
having a boy and a girl in
any order?
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1/2
$400 Question
Explain why Mendel performed the same pea
plant experiment thousands of times. Why
wasn’t 10 or 20 times enough?
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$500 Question
If you were to flip 2 coins 500
times each (both at the same
time) how many times could
you expect them both to land
on tails
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125
$100 Question
If purple flowers are
dominant to white flowers,
cross a homozygous purple
flower with a homozygous
white flower
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$200 Question
If blue flowers are
dominant to white flowers,
cross a heterozygous blue
flower with a white flower
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$300 Question
If long haired guinea pigs are
dominant to short haired
guinea pigs, cross two hybrid
guinea pigs
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• Parent plants: YY and yy
• How do we set up the cross?
• What are the resulting ratios for
genotype and phenotype?
Repeat for the F1 generation.
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Ttgg x ttGg
• Set up a 16 box Punnett Square
• Write the possible gametes across the top
and side
• Fill in the offspring
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