Question 1

The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named ______.

Accepted Answer

A)  Mendel
B)  Darwin
C)  Mendelev
D)  BenedictE) None of the above
F) C) and D)

Question 2

Traits that breed _______ can be passed onto future generations without alteration.

Accepted Answer

A)  intact
B)  true
C)  false
D)  recessiveE) B) and C)
F) None of the above

Question 3

Let Y = yellow and y = green,and R = round and r = wrinkled.You cross YYRR peas with yyrr peas.All of the F1 individuals are yellow and round with a genotype of YyRr.You then perform a F2 cross and get the expected 9:3:3:1 phenotypic ratio.Which of the following is the correct genotypic ratio for yellow,round F2 individuals?

Accepted Answer

A)  1/16 YYRr,2/16 YYRR,2/16 YyRR,4/16 YyRr
B)  1/16 YyRr,2/16 YYRr,2/16 YyRR,4/16 YYRR
C)  1/16 YYRR,1/16 YYRr,1/16 YyRR
D)  1/16 YYRR,2/16 YYRr,2/16 YyRR,4/16 YyRrE) A) and C)
F) B) and D)

Question 4

The allelic make up of an individual is referred to as its

Accepted Answer

A)  blueprint.
B)  genotype.
C)  phenotype.
D)  genetic pattern.E) A) and D)
F) B) and C)

Question 5

Children born in areas where proper nutrition is not available to them do not always realize their full growth potential.These children have the genes for normal growth of bones.Which of the following statements can best explain this situation?

Accepted Answer

A)  There is a lack of dominance in the alleles for normal bone growth;as a result,the genotype is directly affected.
B)  Since nutrition is necessary for proper development and is a part of the environment,it is a clear case of environmental effect on the phenotype.
C)  Since nutrition is necessary for proper development and is a part of the environment,it is a clear case of environmental effect on the genotype.
D)  There will always be examples that reflect this condition in human populations because of the continuous variation that exists for this characteristic.
E)  The children's parents did not obtain the proper nutrients when they were young and thus were not able to pass on the alleles for normal growth and development.F) All of the above
G) C) and E)

Question 6

Mendel's experiments had all of the following characteristics except

Accepted Answer

A)  pea plants were self-pollinated for several generations.
B)  he always used only two plants for his work.
C)  hybrid plants with alternative forms of traits were produced.
D)  hybrid plants were self-pollinated for several generations.E) A) and C)
F) None of the above

Question 7

Mendel referred to the trait that was expressed in the hybrid,F1 or first filial generation as

Accepted Answer

A)  recessive.
B)  dominant.
C)  codominant.
D)  independent.
E)  epistatic.F) A) and B)
G) A) and C)

Question 8

The genotypic ratio produced in the F2 generation is

Accepted Answer

A)  3:1.
B)  1:2:1.
C)  ¾:¼.
D)  cannot determine from the information provideD.E) C) and D)
F) All of the above

Question 9

Yellow-seeded plants might be homozygous or heterozygous.We could find out which by crossing these plants with

Accepted Answer

A)  true breeding yellow-seeded plants.
B)  true breeding green-seeded plants.
C)  heterozygous yellow-seeded plants.
D)  true breeding white-flowered plants.
E)  true breeding purple-flowered plants.F) C) and D)
G) A) and B)

Question 10

Knight followed up on attempts of English farmers to improve varieties of agriculture with his studies on garden peas.When he crossed two true breeding varieties,he found out a number of things about an inherited trait.Which of the following about inherited traits is false?

Accepted Answer

A)  An inherited trait can be masked in some generations but may show up in future.
B)  An inherited trait may show up in some offspring only.
C)  An inherited trait may be represented more often than the others.
D)  An inherited trait is always present in every generation.E) None of the above
F) All of the above

Question 11

Let R = red pigment and r = no pigment.In carnations,RR offspring make a lot of red pigment,rr offspring make no pigment and Rr offspring make a small amount of red pigment,thus appearing pink.Pink carnations are therefore an example of

Accepted Answer

A)  codominance.
B)  incomplete dominance.
C)  epistatic interaction.
D)  blending.E) A) and D)
F) C) and D)

Question 12

The totality of the alleles present in an organism.

Accepted Answer

A)  genotype
B)  heterozygote
C)  homozygote
D)  phenotypeE) C) and D)
F) A) and D)

Question 13

Mendel invented the ____ cross to determine whether an individual with an unknown genotype was homozygous or heterozygous for a trait.

Accepted Answer

A)  back
B)  test
C)  random
D)  breedingE) B) and C)
F) C) and D)

Question 14

Mendel used the garden ___ plant for his studies on inheritance.

Accepted Answer

A)  lily
B)  carrot
C)  onion
D)  peaE) A) and C)
F) A) and D)

Question 15

In white tigers,the absence of fur pigmentation is caused by a recessive allele.This allele also causes the tigers to be cross-eyed.If two tigers heterozygous for this allele mate and produce offspring,what percentage can be expected to be white and/or cross-eyed?

Accepted Answer

A)  25% will be white and the same 25% will be cross-eyed.
B)  25% will be white and 25% will be cross-eyed,but not necessarily the same 25% due to independent assortment.
C)  50% will be both white and cross-eyed.
D)  Because it is a recessive allele,none of the offspring in the F1 generation will be white or cross-eyeD.E) A) and C)
F) A) and B)

Question 16

In a heterozygous individual the allele being expressed is

Accepted Answer

A)  recessive.
B)  masked.
C)  redundant.
D)  dominant.
E)  epistatic.F) D) and E)
G) A) and E)

Question 17

You can use a Punnet square to do all of the following except

Accepted Answer

A)  determine gametic possibilities.
B)  predict phenotypic ratio.
C)  determine genotypic ratio.
D)  establish a pedigree.E) B) and C)
F) C) and D)

Question 18

One of the main reasons genes assort independent of one another is that

Accepted Answer

A)  they produce unrelated traits.
B)  they produce related traits.
C)  they are on the same chromosome.
D)  they are different alleles.
E)  they are on different chromosomes.F) B) and E)
G) A) and C)

Question 19

Individuals carrying two "factors" for most traits are

Accepted Answer

A)  haploid.
B)  diploid.
C)  eukaryotiC.
D)  homozygous.
E)  heterozygous.F) B) and E)
G) A) and D)

Question 20

If you crossed flies heterozygous for the Cy allele,what phenotypes would you find in the F1 generation?

Accepted Answer

A)  wild type and curly wings
B)  wild type only
C)  curly wings only
D)  None of the F1 progeny would survive.E) A) and D)
F) A) and C)

Exam 12: Patterns of Inheritance

The genotypic ratio produced in the F₂ generation is

Correct Answer
verified

Yellow-seeded plants might be homozygous or heterozygous.We could find out which by crossing these plants with

Correct Answer
verified

Let R = red pigment and r = no pigment.In carnations,RR offspring make a lot of red pigment,rr offspring make no pigment and Rr offspring make a small amount of red pigment,thus appearing pink.Pink carnations are therefore an example of

Correct Answer
verified

The allelic make up of an individual is referred to as its

Correct Answer
verified

The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named ______.

Correct Answer
verified

Knight followed up on attempts of English farmers to improve varieties of agriculture with his studies on garden peas.When he crossed two true breeding varieties,he found out a number of things about an inherited trait.Which of the following about inherited traits is false?

Correct Answer
verified

You can use a Punnet square to do all of the following except

Correct Answer
verified

Traits that breed _______ can be passed onto future generations without alteration.

Correct Answer
verified

Mendel invented the ____ cross to determine whether an individual with an unknown genotype was homozygous or heterozygous for a trait.

Correct Answer
verified

Mendel referred to the trait that was expressed in the hybrid,F₁ or first filial generation as

Correct Answer
verified

In a heterozygous individual the allele being expressed is

Correct Answer
verified

Children born in areas where proper nutrition is not available to them do not always realize their full growth potential.These children have the genes for normal growth of bones.Which of the following statements can best explain this situation?

Correct Answer
verified

One of the main reasons genes assort independent of one another is that

Correct Answer
verified

The totality of the alleles present in an organism.

Correct Answer
verified

Mendel's experiments had all of the following characteristics except

Correct Answer
verified

Mendel used the garden ___ plant for his studies on inheritance.

Correct Answer
verified

Individuals carrying two "factors" for most traits are

Correct Answer
verified

If you crossed flies heterozygous for the Cy allele,what phenotypes would you find in the F₁ generation?

Correct Answer
verified

Correct Answer
verified

In white tigers,the absence of fur pigmentation is caused by a recessive allele.This allele also causes the tigers to be cross-eyed.If two tigers heterozygous for this allele mate and produce offspring,what percentage can be expected to be white and/or cross-eyed?

Correct Answer
verified

Exam 12: Patterns of Inheritance

The genotypic ratio produced in the F2 generation is

Correct AnswerverifiedShow Answer

Yellow-seeded plants might be homozygous or heterozygous.We could find out which by crossing these plants with

Correct AnswerverifiedShow Answer

Let R = red pigment and r = no pigment.In carnations,RR offspring make a lot of red pigment,rr offspring make no pigment and Rr offspring make a small amount of red pigment,thus appearing pink.Pink carnations are therefore an example of

Correct AnswerverifiedShow Answer

The allelic make up of an individual is referred to as its

Correct AnswerverifiedShow Answer

The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named ______.

Correct AnswerverifiedShow Answer

Knight followed up on attempts of English farmers to improve varieties of agriculture with his studies on garden peas.When he crossed two true breeding varieties,he found out a number of things about an inherited trait.Which of the following about inherited traits is false?

Correct AnswerverifiedShow Answer

You can use a Punnet square to do all of the following except

Correct AnswerverifiedShow Answer

Traits that breed _______ can be passed onto future generations without alteration.

Correct AnswerverifiedShow Answer

Mendel invented the ____ cross to determine whether an individual with an unknown genotype was homozygous or heterozygous for a trait.

Correct AnswerverifiedShow Answer

Mendel referred to the trait that was expressed in the hybrid,F1 or first filial generation as

Correct AnswerverifiedShow Answer

In a heterozygous individual the allele being expressed is

Correct AnswerverifiedShow Answer

Children born in areas where proper nutrition is not available to them do not always realize their full growth potential.These children have the genes for normal growth of bones.Which of the following statements can best explain this situation?

Correct AnswerverifiedShow Answer

One of the main reasons genes assort independent of one another is that

Correct AnswerverifiedShow Answer

The totality of the alleles present in an organism.

Correct AnswerverifiedShow Answer

Mendel's experiments had all of the following characteristics except

Correct AnswerverifiedShow Answer

Mendel used the garden ___ plant for his studies on inheritance.

Correct AnswerverifiedShow Answer

Individuals carrying two "factors" for most traits are

Correct AnswerverifiedShow Answer

If you crossed flies heterozygous for the Cy allele,what phenotypes would you find in the F1 generation?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In white tigers,the absence of fur pigmentation is caused by a recessive allele.This allele also causes the tigers to be cross-eyed.If two tigers heterozygous for this allele mate and produce offspring,what percentage can be expected to be white and/or cross-eyed?

Correct AnswerverifiedShow Answer

The genotypic ratio produced in the F₂ generation is

Correct Answer
verified

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Mendel referred to the trait that was expressed in the hybrid,F₁ or first filial generation as

Correct Answer
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Correct Answer
verified

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Correct Answer
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If you crossed flies heterozygous for the Cy allele,what phenotypes would you find in the F₁ generation?

Correct Answer
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Correct Answer
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