Genetic quiz key

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Notebook Section: _________________
Date: ______________________ Period:____
Name: ________ANSWER KEY_______________
Topic 7 Keystone Quiz (Genetics)
1. The allele that can be masked is called


homozygous

codominant
recessive

heterozygous
2. The genotype AA or bb would be referred to as _____, while Aa or Bb would be ______.

recessive...dominant

dominant...recessive

heterozygous...homozygous

homozygous...heterozygous
3. A man with straight hair and a woman with curly hair have a child. The child has wavy hair. This would be
an example of


incomplete dominance

complete dominance

codominance
epistasis
4. Directly manipulating the genome of an organism is referred to as


genetic engineering

playing god
natural selection

artificial evolution
5. A trait that is found on the X chromosome is referred to as


nondisjunction

a homozygous disorder

sex-linked
autosomal
6. A man who is colorblind mates with a woman that is a carrier for colorblindness. What is the probability
that they will have a colorblind child?


25%

50%

75%
33%
7. The physical appearance of an organism that results from its genetic makup is known as its?


genotype
phenotype

mitochondrial effect

allele
8. Which of the following results in genetic variation

mitosis

independent assortment

metaphase

symbiosis

gamete
9. When setting up a Punnett square, what information goes on the outside?

the offspring alleles


the parent alleles

somatic cells

somatic cells
the diploid chromosomes
10. Different versions of the same trait are referred to as

alleles

flavors
Notebook Section: _________________
Date: ______________________ Period:____
Name: _____________________________________
Topic 7 Keystone Quiz (Genetics)
1. The allele that can be masked is called


homozygous

codominant

recessive
heterozygous
2. The genotype AA or bb would be referred to as _____, while Aa or Bb would be ______.

recessive...dominant

heterozygous...homozygous

dominant...recessive

homozygous...heterozygous
3. A man with straight hair and a woman with curly hair have a child. The child has wavy hair. This would be
an example of


incomplete dominance

complete dominance

codominance
epistasis
4. Directly manipulating the genome of an organism is referred to as


genetic engineering

playing god
natural selection

artificial evolution
5. A trait that is found on the X chromosome is referred to as


nondisjunction

a homozygous disorder
sex-linked

autosomal
6. A man who is colorblind mates with a woman that is a carrier for colorblindness. What is the probability
that they will have a colorblind child?


25%

50%
75%

33%
7. The physical appearance of an organism that results from its genetic makup is known as its?


genotype
phenotype

mitochondrial effect

allele
8. Which of the following results in genetic variation

mitosis

independent assortment

metaphase

symbiosis
9. When setting up a Punnett square, what information goes on the outside?

the offspring alleles

the diploid chromosomes

the parent alleles

somatic cells

somatic cells
10. Different versions of the same trait are referred to as

alleles

flavors

gamete
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