Question 1

Match each term with its corresponding definition or description.
-short arm of the chromosome

Accepted Answer

A)  Proteome
B)  Ideogram
C)  Genome
D)  Genomics
E)  P-armF) ProteomicsG) Q-armH) All of the above
I) A) and B)

Question 2

Which of the following diseases is not a single-gene dominant trait?

Accepted Answer

A)   Huntington disease
B)   Cystic fibrosis
C)   Osteogenesis imperfecta
D)   All of the above are single-gene dominant traits.E) B) and C)
F) A) and D)

Question 3

In a pedigree,a half-shaded circle indicates a:

Accepted Answer

A)   female that is a carrier for a trait.
B)   male that is a carrier for a trait.
C)   female with the trait.
D)   male with the trait.E) C) and D)
F) A) and B)

Question 4

The parents with which of the following genotypes could not have a child with albinism?

Accepted Answer

A)   AA x aa
B)   Aa x Aa
C)   Aa x aa
D)   Both B and CE) C) and D)
F) A) and B)

Question 5

The syndrome that results from the genotype "XXY" is:

Accepted Answer

A)   Turner.
B)   Klinefelter.
C)   Down.
D)   Parkinson.E) B) and C)
F) None of the above

Question 6

Which of the following diseases is carried by mitochondrial DNA?

Accepted Answer

A)   Retinitis pigmentosa
B)   Severe combined immune deficiency
C)   Ocular albinism
D)   None of the above diseases is carried by mitochondrial DNA.E) A) and C)
F) All of the above

Question 7

About which percentage of the cell's DNA carry functional genes?

Accepted Answer

A)   1%
B)   10%
C)   25%
D)   50%E) A) and B)
F) B) and D)

Question 8

An ordered arrangement of photographs of chromosomes from a single cell is called a:

Accepted Answer

A)   genome.
B)   karyotype.
C)   Punnett square.
D)   pedigree.E) All of the above
F) A) and D)

Question 9

Match each condition with its corresponding statement or definition.
-lymphocytes fail to develop properly

Accepted Answer

A)  Down syndrome
B)  Huntington disease
C)  Klinefelter syndrome deficiency
D)  Multiple neurofibromatosis
E)  Parkinson diseaseF) Retinitis pigmentosaG) Severe combined immune deficiencyH) Tay-Sachs diseaseI) A) and B)
J) C) and E)

Question 10

A karyotype would not be helpful in determining:

Accepted Answer

A)   whether an individual has Down syndrome.
B)   whether an individual has Turner syndrome.
C)   whether an individual has PKU.
D)   the sex of the offspring.E) None of the above
F) B) and C)

Question 11

Match each of the terms with its corresponding definition.
-genes that have effects that always appear in the offspring

Accepted Answer

A)  Recessive
B)  Codominance
C)  Monosomy
D)  Autosome
E)  KaryotypeF) Sex-linked traitG) DominantH) TrisomyI) Punnett squareJ) GenomeK) Sex chromosomeL) HeterozygousM) HomozygousN) GeneticsO) E) and G)
P) F) and M)

Question 12

Give a brief description of one genetic disorder that is the result of nondisjunction during formation of the gametes.

Accepted Answer

One genetic disorder that results from n...

Question 13

If "A" stands for the dominant gene that prevents albinism and "a" stands for the recessive albinism trait,then an individual with the genotype of "aa" will express:

Accepted Answer

A)   albinism and will be a carrier.
B)   albinism and will not be a carrier.
C)   normal pigmentation and will be a carrier.
D)   normal pigmentation and will not be a carrier.E) A) and D)
F) B) and C)

Question 14

Match each of the terms with its corresponding definition.
-the scientific study of inheritance

Accepted Answer

A)  Recessive
B)  Codominance
C)  Monosomy
D)  Autosome
E)  KaryotypeF) Sex-linked traitG) DominantH) TrisomyI) Punnett squareJ) GenomeK) Sex chromosomeL) HeterozygousM) HomozygousN) GeneticsO) A) and B)
P) E) and M)

Question 15

Mitochondrial DNA (mDNA) :

Accepted Answer

A)   is inherited as a result of both the sperm and the ovum.
B)   has the potential for carrying mutations that produce disease.
C)   is present only in lower forms of life.
D)   Both A and B are correct.E) A) and B)
F) A) and C)

Question 16

Match each of the terms with its corresponding definition.
-nonsexual trait carried on sex chromosomes

Accepted Answer

A)  Recessive
B)  Codominance
C)  Monosomy
D)  Autosome
E)  KaryotypeF) Sex-linked traitG) DominantH) TrisomyI) Punnett squareJ) GenomeK) Sex chromosomeL) HeterozygousM) HomozygousN) GeneticsO) I) and N)
P) B) and H)

Question 17

The genetic code is transmitted to offspring in discrete,independent units that are called:

Accepted Answer

A)   chromosomes.
B)   genes.
C)   gametes.
D)   nucleosomes.E) B) and C)
F) A) and B)

Question 18

In the therapy called gene augmentation:

Accepted Answer

A)   genes that specify production of abnormal, disease-causing proteins are replaced by normal, or "therapeutic," genes.
B)   hormones are used to treat the genetic disease.
C)   diet is used to alleviate the symptoms of the genetic disease.
D)   genetically altered cells are added to the body.E) None of the above
F) All of the above

Question 19

In human blood type,types A and B are codominant,producing type AB.They are both dominant to the recessive O type.Which of the following parental genotypes could produce a child with type O blood?

Accepted Answer

A)   AB x AO
B)   AO x BO
C)   AO x BB
D)   None of the above genotypes can produce a type O offspring.E) B) and D)
F) C) and D)

Question 20

A group of symptoms called Down syndrome results from trisomy:

Accepted Answer

A)   15.
B)   19.
C)   21.
D)   23.E) None of the above
F) A) and B)

Exam 37: B: Genetics and Heredity

In a pedigree,a half-shaded circle indicates a:

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Which of the following diseases is not a single-gene dominant trait?

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The parents with which of the following genotypes could not have a child with albinism?

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Match each of the terms with its corresponding definition. -genes that have effects that always appear in the offspring

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The syndrome that results from the genotype "XXY" is:

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Match each of the terms with its corresponding definition. -nonsexual trait carried on sex chromosomes

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Which of the following diseases is carried by mitochondrial DNA?

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Give a brief description of one genetic disorder that is the result of nondisjunction during formation of the gametes.

Correct AnswerAnswered by ExamLex AIOne genetic disorder that results from n...View AnswerShow Answer

An ordered arrangement of photographs of chromosomes from a single cell is called a:

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A karyotype would not be helpful in determining:

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The genetic code is transmitted to offspring in discrete,independent units that are called:

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In human blood type,types A and B are codominant,producing type AB.They are both dominant to the recessive O type.Which of the following parental genotypes could produce a child with type O blood?

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Mitochondrial DNA (mDNA) :

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A group of symptoms called Down syndrome results from trisomy:

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If "A" stands for the dominant gene that prevents albinism and "a" stands for the recessive albinism trait,then an individual with the genotype of "aa" will express:

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Match each condition with its corresponding statement or definition. -lymphocytes fail to develop properly

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Match each of the terms with its corresponding definition. -the scientific study of inheritance

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About which percentage of the cell's DNA carry functional genes?

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Match each term with its corresponding definition or description. -short arm of the chromosome

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In the therapy called gene augmentation:

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One genetic disorder that results from n...
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