Chapter 3 Jeopardy

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Final Jeopardy Question

Mendel Genetics ProbabilityPunnett Squares

Random

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

10 Point Question10 Point Question

Mendel studied different characteristics in pea plants by

_________ pollinating them.

Cross

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20 Point Question20 Point Question

Factors that control traits are called

genes

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30 Point Question30 Point Question

Mendel called a plant that had two identical alleles

this ________

purebred

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40 Point Question40 Point Question

What did Mendel predict was the probability of producing a tall

plant from a cross of two hybrid tall pea plants?

¾ or 75%

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10 Point Question10 Point Question

The different forms of a gene are called

___________

Alleles

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20 Point Question20 Point Question

A heterozygous organism has two ____________ alleles

for a trait.

different

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30 Point Question30 Point Question

If purebred short pea plants are crossed with purebred tall pea

plants, all of the offspring will be ______________

Tall

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40 Point Question40 Point Question

What does the notation of two capital letters together mean to geneticists? An

example is DD.

Two dominant alleles

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10 Point Question10 Point Question

The likelihood that that a particular event will occur is known as

______________

Probability

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20 Point Question20 Point Question

True or False: A pea plant that is heterozygous for tall stems has the

alleles Tt.

True

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30 Point Question30 Point Question

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. NoneB. ¼ or 25%C. Half or 50%D. ¾ or 75%

¼ or 25%

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40 Point Question40 Point Question

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?

100% will have black fur (Bb)

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10 Point Question10 Point Question

True or False: A Punnett square shows all the possible

combinations of alleles in parents

False, (offspring)

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20 Point Question20 Point Question

A __________ shows all of the possible allele combinations

of a genetic cross

Punnett Square

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30 Point Question30 Point Question

What does the notation Tt mean to geneticists?

A. Two dominant alleles

B. Two recessive alleles

C. At least one recessive allele

D. One dominant allele and one recessive allele

D. One dominant/one recessive

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40 Point Question40 Point Question

What does codominance mean in genetics?

A. Both alleles are dominant

B. Both alleles are dominant and recessive

C. The alleles are neither dominant nor recessive

C neither dominant nor recessive

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10 Point Question10 Point Question

An organism’s physical appearance is its

A. Genotype

B. Phenotype

C. Codominance

B. Phenotype

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20 Point Question20 Point Question

An organism’s genotype is its

A. Genetic makeupB. Feather colorC. Physical appearanceD. Stem height

A. Genetic Makeup

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30 Point Question30 Point Question

True or False

There are over 100 different types of cancer

True

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40 Point Question40 Point Question

What factor will lead to almost as many cancer deaths as does

tobacco?a. Water pollutionb. Air pollutionc. An unhealthy dietd. smoking

An Unhealthy Diet

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Draw a Punnett square for a cross between a homozygous short pea plant

and a heterozygous tall pea plantPredict 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%