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) Benedict 
A) Mendel 
B) Darwin 
C) Mendelev 
D) Benedict

Question 2

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

Question 3

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. 
A) 3:1. 
B) 1:2:1. 
C) ¾:¼. 
D) cannot determine from the information provideD.

Question 4

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

Accepted Answer

A) intact 
B) true 
C) false 
D) recessive 
A) intact 
B) true 
C) false 
D) recessive

Question 5

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

Accepted Answer

A) blueprint. 
B) genotype. 
C) phenotype. 
D) genetic pattern. 
A) blueprint. 
B) genotype. 
C) phenotype. 
D) genetic pattern.

Question 6

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

Question 7

In a heterozygous individual the allele being expressed is

Accepted Answer

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

Question 8

Individuals carrying two "factors" for most traits are

Accepted Answer

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

Question 9

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. 
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.

Question 10

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

Question 11

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) breeding 
A) back 
B) test 
C) random 
D) breeding

Question 12

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

Question 13

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. 
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.

Question 14

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

Accepted Answer

A) lily 
B) carrot 
C) onion 
D) pea 
A) lily 
B) carrot 
C) onion 
D) pea

Question 15

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 YyRr 
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 YyRr

Question 16

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. 
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.

Question 17

The totality of the alleles present in an organism.

Accepted Answer

A) genotype 
B) heterozygote 
C) homozygote 
D) phenotype 
A) genotype 
B) heterozygote 
C) homozygote 
D) phenotype

Question 18

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. 
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.

Question 19

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. 
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.

Question 20

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. 
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.

Exam 12: Patterns of Inheritance

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

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

The genotypic ratio produced in the F2 generation is

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

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

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

In a heterozygous individual the allele being expressed is

Individuals carrying two "factors" for most traits are

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

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

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

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

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?

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

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?

The totality of the alleles present in an organism.

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

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?

Mendel's experiments had all of the following characteristics except

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

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Vertebrates

Plant Form

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Transport in Plants

Plant Nutrition and Soils

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The Animal Body and Principles of Regulation

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The Immune System

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Animal Development

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

The genotypic ratio produced in the F₂ generation is

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