Question 1

In the study of genetics the offspring of the P generation is referred to as the

Accepted Answer

A)  wild type generation.
B)  F1 generation.
C)  genotype.
D)  F2 generation.
E)  phenotypE.F) B) and D)
G) B) and C)

Question 2

The chromosome that determines human gender is

Accepted Answer

A)  the X chromosome.
B)  chromosome number 21.
C)  the group of autosomes known as the SRY group.
D)  chromosome number 22.
E)  the Y chromosomE.F) A) and C)
G) A) and B)

Question 3

Crossing over is used to create a chromosome map of linked genes to determine the

Accepted Answer

A)  locus of the gene on the chromosome.
B)  Punnett square.
C)  environmental influence.
D)  number of chromosomes.
E)  number of gametes.F) B) and D)
G) A) and B)

Question 4

Recombinant chromosomes have a mix of paternal and maternal alleles due to

Accepted Answer

A)  random fertilization.
B)  linkage.
C)  independent assortment.
D)  crossing over.
E)  mutation.F) A) and D)
G) A) and E)

Question 5

Which gametes can a RrYy plant produce?

Accepted Answer

A)  Rr or Yy
B)  RY or ry
C)  RrYy
D)  RY,Ry,rY,or ry
E)  R or rF) B) and D)
G) C) and D)

Question 6

Any dihybrid cross should theoretically yield a 3:1 phenotypic ratio.

Accepted Answer

A) True 
 B)False

Question 7

Genotype means

Accepted Answer

A)  the number of gametes in an individual.
B)  the combination of alleles in an individual.
C)  the number of chromosomes in an individual.
D)  the observable expression of the genes in an individual.
E)  the genes an individual has.F) All of the above
G) C) and E)

Question 8

For the traits Mendel studied one allele is completely dominant and the other is completely recessive.

Accepted Answer

A) True 
 B)False

Question 9

The "P" in P generation refers to

Accepted Answer

A)  pure breeding.
B)  parental.
C)  potential offspring.
D)  recessive allele.
E)  All answers are correct.F) A) and E)
G) A) and D)

Question 10

A male expresses

Accepted Answer

A)  only the dominant alleles on his X chromosome.
B)  both the dominant and recessive alleles on his X chromosome.
C)  only the homozygous recessive alleles on his X chromosome.
D)  none of the alleles on his X chromosome.
E)  only the homozygous dominant alleles on his X chromosomE.F) B) and C)
G) A) and D)

Question 11

What information is available inside of the boxes in the figure?

Accepted Answer

A)  alleles of the parents
B)  genotype of the parents
C)  phenotype of the parents
D)  alleles the offspring may inherit
E)  phenotype the offspring may inheritF) B) and D)
G) A) and B)

Question 12

Diagrams of gene order and spacing on chromosomes are

Accepted Answer

A)  genotypes and phenotypes.
B)  phenotypes.
C)  linkage maps.
D)  genotypes.
E)  metabolic maps.F) B) and D)
G) D) and E)

Question 13

When Mendel crossed short (tt) pea plants with short (tt) pea plants the offspring

Accepted Answer

A)  were all tall.
B)  were a mix of tall and short.
C)  were nonexistent.
D)  None of the answers are correct.
E)  were all short.F) A) and B)
G) C) and D)

Question 14

Which gametes can a RRyy plant produce?

Accepted Answer

A)  RR or yy
B)  Ry
C)  RY or ry
D)  RRyy
E)  R or yF) D) and E)
G) None of the above

Question 15

The individual sometimes referred to as the "father of genetics" because he influenced the science of genetics more than anyone else is Gregor Mendel.

Accepted Answer

A) True 
 B)False

Question 16

If you cross two pea plants,one with green peas and the other with yellow peas,and all of the offspring have yellow peas,the yellow and green parental plants

Accepted Answer

A)  both have the same alleles for pea color.
B)  both have the same gene for pea color.
C)  have different genes for pea color.
D)  have different loci for pea color.
E)  have different numbers of chromosomes.F) C) and E)
G) A) and B)

Question 17

A monohybrid cross is a mating between two individuals that are both

Accepted Answer

A)  homozygous for one gene.
B)  heterozygous for two genes.
C)  homozygous for two genes.
D)  heterozygous for one gene.
E)  None of the answers are correct.F) A) and C)
G) None of the above

Question 18

To inherit an autosomal dominant disorder a person could receive the disease causing allele from

Accepted Answer

A)  the father only,not the mother.
B)  the mother only,not the father.
C)  the mother or the father.
D)  the parent who does not exhibit the disease.
E)  All answers are correct.F) A) and B)
G) B) and E)

Question 19

In the section "Investigating Life: Heredity and the Hungry Hordes",adult female bollworm moths lay eggs on cotton bolls.These eggs then hatch and grow into caterpillars that eat the seeds of the boll.Eggs and sperm produce by

Accepted Answer

A)  meiosis.
B)  mitosis.
C)  fertilization.
D)  crossing over.
E)  mutation.F) A) and C)
G) None of the above

Question 20

If the two alleles for a particular gene are identical the gene pair is

Accepted Answer

A)  homozygous.
B)  homologous.
C)  heterozygous.
D)  dominant.
E)  recessivE.F) A) and B)
G) D) and E)

Exam 10: Patterns of Inheritance

A monohybrid cross is a mating between two individuals that are both

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A male expresses

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To inherit an autosomal dominant disorder a person could receive the disease causing allele from

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Any dihybrid cross should theoretically yield a 3:1 phenotypic ratio.

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If you cross two pea plants,one with green peas and the other with yellow peas,and all of the offspring have yellow peas,the yellow and green parental plants

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Which gametes can a RRyy plant produce?

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When Mendel crossed short (tt) pea plants with short (tt) pea plants the offspring

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For the traits Mendel studied one allele is completely dominant and the other is completely recessive.

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Which gametes can a RrYy plant produce?

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In the study of genetics the offspring of the P generation is referred to as the

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The "P" in P generation refers to

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Genotype means

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What information is available inside of the boxes in the figure?

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The individual sometimes referred to as the "father of genetics" because he influenced the science of genetics more than anyone else is Gregor Mendel.

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The chromosome that determines human gender is

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If the two alleles for a particular gene are identical the gene pair is

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Heredity and the Hungry Hordes",adult female bollworm moths lay eggs on cotton bolls.These eggs then hatch and grow into caterpillars that eat the seeds of the boll.Eggs and sperm produce by

Correct AnswerverifiedShow Answer

Diagrams of gene order and spacing on chromosomes are

Correct AnswerverifiedShow Answer

Crossing over is used to create a chromosome map of linked genes to determine the

Correct AnswerverifiedShow Answer

Recombinant chromosomes have a mix of paternal and maternal alleles due to

Correct AnswerverifiedShow Answer

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