Question 1

The ________ refers to the genetic composition of an individual.

Accepted Answer

A)  character 
B)  genotype 
C)  phenotype 
D)  dominant trait 
E)  recessive trait 
A)  character 
B)  genotype 
C)  phenotype 
D)  dominant trait 
E)  recessive trait B

Question 2

Mendel's work was rediscovered in 1900 by which of the following individual(s)?

Accepted Answer

A)  Carl Correns 
B)  Erich von Tschermak 
C)  Hugh de Vries 
D)  All of these choices are correct. 
A)  Carl Correns 
B)  Erich von Tschermak 
C)  Hugh de Vries 
D)  All of these choices are correct. D

Question 3

Mendel's data from single-factor crosses did not support a blending mechanism of inheritance.Which of the following is correct regarding the blending theory of inheritance?

Accepted Answer

A)  It theorized that hereditary traits blended from one generation to the next. 
B)  It was possible for the blending to change the trait from one generation to the next. 
C)  It was supported by early research of tobacco plants by Joseph Kölreuter. 
D)  It was the prevailing theory of inheritance prior to Mendel. 
E)  All of these choices are correct. 
A)  It theorized that hereditary traits blended from one generation to the next. 
B)  It was possible for the blending to change the trait from one generation to the next. 
C)  It was supported by early research of tobacco plants by Joseph Kölreuter. 
D)  It was the prevailing theory of inheritance prior to Mendel. 
E)  All of these choices are correct. E

Question 4

Which of the following characteristics made the pea plant Pisum sativum an ideal organism for Mendel's studies?

Accepted Answer

A)  It has the ability to self-fertilize. 
B)  It was possible to cross-fertilize one plant with another. 
C)  It has easily identifiable traits. 
D)  All of these choices are correct. 
A)  It has the ability to self-fertilize. 
B)  It was possible to cross-fertilize one plant with another. 
C)  It has easily identifiable traits. 
D)  All of these choices are correct.

Question 5

Choose all statements that constitute key tenets of the chromosome theory of inheritance.

Accepted Answer

A)  Chromosomes are copies of the genetic material that are used to make proteins and are then destroyed. 
B)  Chromosomes contain the genetic material. 
C)  Chromosomes are contributed by the maternal parent only. 
D)  Chromosomes are replicated and transmitted during inheritance and during development. 
E)  Most cells are diploid, with two copies of each chromosome.
F) Gametes contain two copies of each chromosome so there is a backup copy if one is damaged.
G) During gamete formation, chromosomes segregate independently.
H) Each parent contributes one complete set of chromosomes.
I) Certain chromosomes are linked together, so that genes that work together are transmitted together. 
A)  Chromosomes are copies of the genetic material that are used to make proteins and are then destroyed. 
B)  Chromosomes contain the genetic material. 
C)  Chromosomes are contributed by the maternal parent only. 
D)  Chromosomes are replicated and transmitted during inheritance and during development. 
E)  Most cells are diploid, with two copies of each chromosome.
F) Gametes contain two copies of each chromosome so there is a backup copy if one is damaged.
G) During gamete formation, chromosomes segregate independently.
H) Each parent contributes one complete set of chromosomes.
I) Certain chromosomes are linked together, so that genes that work together are transmitted together.

Question 6

Mendel's work on inheritance had an immediate influence on the scientific community and theories of inheritance.

Accepted Answer

A) True 
 B)False

Question 7

If two individuals with different distinct characteristics are mated,their offspring is called a ________.

Accepted Answer

A)  strain 
B)  true-breeding line 
C)  gamete 
D)  cross 
E)  hybrid 
A)  strain 
B)  true-breeding line 
C)  gamete 
D)  cross 
E)  hybrid

Question 8

The observable characteristics of an organism are called its ________.

Accepted Answer

A)  phenotype 
B)  genotype 
C)  dominance 
D)  genes 
E)  None of these choices are correct. 
A)  phenotype 
B)  genotype 
C)  dominance 
D)  genes 
E)  None of these choices are correct.

Question 9

When Mendel crossed two plants that were heterozygous for a single trait,what was the phenotypic ratio of their offspring?

Accepted Answer

A)  1:2:1 
B)  9:3:3:1 
C)  3:1 
D)  7:4 
E)  Varied depending on the trait 
A)  1:2:1 
B)  9:3:3:1 
C)  3:1 
D)  7:4 
E)  Varied depending on the trait

Question 10

Mendel's data and the study of chromosomes and meiosis did not support the idea of ________,which is the belief that seeds are produced by all parts of the body and transmitted to the next generation.

Accepted Answer

A)  the chromosome theory of inheritance 
B)  pangenesis 
C)  the blending theory of inheritance 
D)  the law of segregation 
E)  the law of independent assortment 
A)  the chromosome theory of inheritance 
B)  pangenesis 
C)  the blending theory of inheritance 
D)  the law of segregation 
E)  the law of independent assortment

Question 11

Which of the following would be used to determine the probability of three independent events in order?

Accepted Answer

A)  sum rule 
B)  product rule 
C)  chi square test 
D)  binomial expansion 
E)  random sampling error 
A)  sum rule 
B)  product rule 
C)  chi square test 
D)  binomial expansion 
E)  random sampling error

Question 12

The chi square test is used to prove that a hypothesis is correct.

Accepted Answer

A) True 
 B)False

Question 13

Recall that in pea plants,purple flower color is dominant and white is recessive.If two heterozygous plants are crossed,what is the probability that the first two offspring will have purple flowers?

Accepted Answer

A)  1/2 
B)  1/4 
C)  6/4 
D)  9/16 
E)  1/16 
A)  1/2 
B)  1/4 
C)  6/4 
D)  9/16 
E)  1/16

Question 14

What theory did Mendel's work with monohybrid crosses support?

Accepted Answer

A)  blending theory of inheritance 
B)  particulate theory of inheritance 
C)  chromosomal theory of inheritance 
D)  pangenesis 
A)  blending theory of inheritance 
B)  particulate theory of inheritance 
C)  chromosomal theory of inheritance 
D)  pangenesis

Question 15

A true-breeding line of green pod pea plants is crossed with a true-breeding line of yellow pod plants.All of their offspring have green pods.From this information,it can be stated that the green color is ________ to the yellow color.

Accepted Answer

A)  recessive 
B)  dominant 
C)  subservient 
D)  blended 
E)  None of these choices are correct. 
A)  recessive 
B)  dominant 
C)  subservient 
D)  blended 
E)  None of these choices are correct.

Question 16

In a certain family pedigree,you observe that 7 of a couple's 12 children display a disease trait.In the subsequent generation,some of the children of affected individuals have the disease,but none of the children of two unaffected parents do.You conclude that the disease is caused by a ________ allele.

Accepted Answer

A)  recessive 
B)  dominant 
C)  redundant 
D)  wild-type 
A)  recessive 
B)  dominant 
C)  redundant 
D)  wild-type

Question 17

If a Punnett square is used to visualize a three-factor cross,how many boxes would be inside of the square?

Accepted Answer

A)  3 
B)  8 
C)  48 
D)  64 
E)  can't be determined 
A)  3 
B)  8 
C)  48 
D)  64 
E)  can't be determined

Question 18

A specific version of a gene is called a(n)________.

Accepted Answer

A)  trait 
B)  character 
C)  gamete 
D)  allele 
E)  variant 
A)  trait 
B)  character 
C)  gamete 
D)  allele 
E)  variant

Question 19

Differences in plant characteristics such as flower color or height are called variants or traits.

Accepted Answer

A) True 
 B)False

Question 20

An individual who has two different alleles for a trait is called ________.

Accepted Answer

A)  haploid 
B)  homozygous 
C)  heterozygous 
D)  isozygous 
E)  true-breeding 
A)  haploid 
B)  homozygous 
C)  heterozygous 
D)  isozygous 
E)  true-breeding

Exam 3: Mendelian Inheritance

The ________ refers to the genetic composition of an individual.

Mendel's work was rediscovered in 1900 by which of the following individual(s)?

Mendel's data from single-factor crosses did not support a blending mechanism of inheritance.Which of the following is correct regarding the blending theory of inheritance?

Which of the following characteristics made the pea plant Pisum sativum an ideal organism for Mendel's studies?

Choose all statements that constitute key tenets of the chromosome theory of inheritance.

Mendel's work on inheritance had an immediate influence on the scientific community and theories of inheritance.

If two individuals with different distinct characteristics are mated,their offspring is called a ________.

The observable characteristics of an organism are called its ________.

When Mendel crossed two plants that were heterozygous for a single trait,what was the phenotypic ratio of their offspring?

Mendel's data and the study of chromosomes and meiosis did not support the idea of ________,which is the belief that seeds are produced by all parts of the body and transmitted to the next generation.

Which of the following would be used to determine the probability of three independent events in order?

The chi square test is used to prove that a hypothesis is correct.

Recall that in pea plants,purple flower color is dominant and white is recessive.If two heterozygous plants are crossed,what is the probability that the first two offspring will have purple flowers?

What theory did Mendel's work with monohybrid crosses support?

A true-breeding line of green pod pea plants is crossed with a true-breeding line of yellow pod plants.All of their offspring have green pods.From this information,it can be stated that the green color is ________ to the yellow color.

If a Punnett square is used to visualize a three-factor cross,how many boxes would be inside of the square?

A specific version of a gene is called a(n)________.

Differences in plant characteristics such as flower color or height are called variants or traits.

An individual who has two different alleles for a trait is called ________.

Overview of Genetics

Reproduction and Chromosome Transmission

Sex Determination and Sex Chromosomes

Extensions of Mendelian Inheritance

Extranuclear Inheritance, Imprinting, and Maternal Effect

Genetic Linkage and Mapping in Eukaryotes

Variation in Chromosome Structure and Number

Genetics in Bacteria

Genetics of Viruses

Molecular Structure of DNA and RNA

Molecular Structure of Chromosomes and Transposition

Dna Replication and Recombination

Gene Transcription and RNA Modification

Translation of MRNA

Gene Regulation in Bacteria

Gene Regulation in Eukaryotes

Non-Coding Rnas

Gene Mutation and DNA Repair

Molecular Technologies

Genomics

Medical Genetics and Cancer

Population Genetics

Quantitative Genetics

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