Question 1

Which of the following is NOT inherited in a Mendelian fashion?

Accepted Answer

A) ABO blood type 
B) Marfan syndrome 
C) Achondroplasia 
D) Phenylketonuria 
E) Skin color 
A) ABO blood type 
B) Marfan syndrome 
C) Achondroplasia 
D) Phenylketonuria 
E) Skin color

Question 2

When Mendel crossed plants and considered two traits simultaneously (e.g., height and seed color in peas), what proportion of the F2 generation offspring expressed both recessive phenotypes?

Accepted Answer

A) 9/16 
B) 8/16 
C) 12/16 
D) 3/16 
E) 1/16 
A) 9/16 
B) 8/16 
C) 12/16 
D) 3/16 
E) 1/16

Question 3

Evolution can be most succinctly defined as

Accepted Answer

A) the appearance of new species. 
B) the change from one species to another in one generation. 
C) a change in allele frequencies from one generation to the next. 
D) any type of genetic mutation. 
E) genetic drift. 
A) the appearance of new species. 
B) the change from one species to another in one generation. 
C) a change in allele frequencies from one generation to the next. 
D) any type of genetic mutation. 
E) genetic drift.

Question 4

Gene flow is defined as the

Accepted Answer

A) production of new alleles. 
B) production of new genetic material. 
C) chance loss of alleles in a population. 
D) exchange of genes between populations. 
E) differential reproductive success of individuals. 
A) production of new alleles. 
B) production of new genetic material. 
C) chance loss of alleles in a population. 
D) exchange of genes between populations. 
E) differential reproductive success of individuals.

Question 5

Gregor Mendel

Accepted Answer

A) published his results and won the Nobel Prize for his discoveries. 
B) was trained as a geneticist. 
C) died before the importance of his research was recognized. 
D) was a professor at the University of Vienna. 
E) never published his work. 
A) published his results and won the Nobel Prize for his discoveries. 
B) was trained as a geneticist. 
C) died before the importance of his research was recognized. 
D) was a professor at the University of Vienna. 
E) never published his work.

Question 6

X-linked traits affect males and females in equal frequencies.

Accepted Answer

A) True 
 B)False

Question 7

According to Modern Synthesis, evolution can be defined as a two-stage process that includes

Accepted Answer

A) genetic drift followed by migration. 
B) natural selection followed by migration. 
C) recombination followed by mutation. 
D) variation followed by natural selection. 
E) mutation and gene drift. 
A) genetic drift followed by migration. 
B) natural selection followed by migration. 
C) recombination followed by mutation. 
D) variation followed by natural selection. 
E) mutation and gene drift.

Question 8

Genetic drift is a result of

Accepted Answer

A) migrations. 
B) an increase in population. 
C) genetic diseases. 
D) mutations. 
E) a small population. 
A) migrations. 
B) an increase in population. 
C) genetic diseases. 
D) mutations. 
E) a small population.

Question 9

In order for a mutation to be passed on to an offspring, the mutation must

Accepted Answer

A) occur in a gamete. 
B) be beneficial. 
C) occur in a somatic cell. 
D) result in additional chromosomes. 
E) be a point mutation only. 
A) occur in a gamete. 
B) be beneficial. 
C) occur in a somatic cell. 
D) result in additional chromosomes. 
E) be a point mutation only.

Question 10

The majority of sex-linked traits have loci on the X chromosome.

Accepted Answer

A) True 
 B)False

Question 11

In a hypothetical situation, B is the allele that causes brachydactyly. If a man who has normal fingers (bb)and a woman with brachydactyly (Bb)have children, what proportion of these children would you expect to have normal fingers? (Hint: Use a Punnett square.)

Accepted Answer

A) 1/16 
B) 1/8 
C) 1/4 
D) 3/4 
E) 1/2 
A) 1/16 
B) 1/8 
C) 1/4 
D) 3/4 
E) 1/2

Question 12

Mendel worked with animal populations to formulate his principles of inheritance.

Accepted Answer

A) True 
 B)False

Question 13

Two people (both heterozygotes)are able to taste a chemical substance called PTC. The ability to taste PTC is caused by a dominant allele (T). The inability to taste PTC is caused by a recessive allele (t). What proportion of their children would be expected to have the tt genotype?

Accepted Answer

A) 3/4 
B) 1/2 
C) All 
D) 1/4 
E) 2/3 
A) 3/4 
B) 1/2 
C) All 
D) 1/4 
E) 2/3

Question 14

The fact that both green and yellow peas were produced by tall pea plants in predictable frequencies  led Mendel to propose the

Accepted Answer

A) principle of segregation. 
B) principle of independent assortment. 
C) concept of dominance. 
D) concept of codominance. 
E) blending theory of inheritance. 
A) principle of segregation. 
B) principle of independent assortment. 
C) concept of dominance. 
D) concept of codominance. 
E) blending theory of inheritance.

Question 15

Explain the importance of the discoveries of Gregor Mendel to genetics and include an explanation of each of his principles.

Accepted Answer

Gregor Mendel's discoveries were incredi

Question 16

Which is NOT true about random assortment?

Accepted Answer

A) There is a chance distribution of chromosomes to daughter cells. 
B) It is an important source of genetic variation. 
C) It produces new alleles. 
D) It happens during meiosis. 
E) It is important like recombination. 
A) There is a chance distribution of chromosomes to daughter cells. 
B) It is an important source of genetic variation. 
C) It produces new alleles. 
D) It happens during meiosis. 
E) It is important like recombination.

Question 17

Which statement concerning polygenic traits is FALSE?

Accepted Answer

A) They are governed by more than one genetic locus. 
B) Their expression is often influenced by genetic/environmental interactions. 
C) They account for most observable phenotypic variation in humans. 
D) They are not affected by environmental factors. 
E) They are continuous. 
A) They are governed by more than one genetic locus. 
B) Their expression is often influenced by genetic/environmental interactions. 
C) They account for most observable phenotypic variation in humans. 
D) They are not affected by environmental factors. 
E) They are continuous.

Question 18

Describe some environmental factors that can influence genotypes.

Accepted Answer

Environmental factors that can influence

Question 19

All variation in mtDNA is caused by mutation.

Accepted Answer

A) True 
 B)False

Question 20

Discuss Modern Synthesis and its importance in bringing together natural selection and mutation as joint forces in biological evolution.

Accepted Answer

The Modern Synthesis, also known as the

Which of the following is NOT inherited in a Mendelian fashion?

When Mendel crossed plants and considered two traits simultaneously (e.g., height and seed color in peas), what proportion of the F₂ generation offspring expressed both recessive phenotypes?

Evolution can be most succinctly defined as

Gene flow is defined as the

Gregor Mendel

X-linked traits affect males and females in equal frequencies.

According to Modern Synthesis, evolution can be defined as a two-stage process that includes

Genetic drift is a result of

In order for a mutation to be passed on to an offspring, the mutation must

The majority of sex-linked traits have loci on the X chromosome.

In a hypothetical situation, B is the allele that causes brachydactyly. If a man who has normal fingers (bb)and a woman with brachydactyly (Bb)have children, what proportion of these children would you expect to have normal fingers? (Hint: Use a Punnett square.)

Mendel worked with animal populations to formulate his principles of inheritance.

Two people (both heterozygotes)are able to taste a chemical substance called PTC. The ability to taste PTC is caused by a dominant allele (T). The inability to taste PTC is caused by a recessive allele (t). What proportion of their children would be expected to have the tt genotype?

The fact that both green and yellow peas were produced by tall pea plants in predictable frequencies led Mendel to propose the

Explain the importance of the discoveries of Gregor Mendel to genetics and include an explanation of each of his principles.

Which is NOT true about random assortment?

Which statement concerning polygenic traits is FALSE?

Describe some environmental factors that can influence genotypes.

All variation in mtDNA is caused by mutation.

Discuss Modern Synthesis and its importance in bringing together natural selection and mutation as joint forces in biological evolution.

Introduction to Physical Anthropology

The Development of Evolutionary Theory

The Biological Basis of Life

Macroevolution: Processes of Vertebrate and Mammalian Evolution

Survey of the Living Primates

Primate Behavior

Overview of the Fossil Primates

Paleoanthropology: Reconstructing Early Hominin Behavior and Ecology

Hominin Origins in Africa

The First Dispersal of the Genus Homo: Homo Erectus and Contemporaries

Premodern Humans

The Origin and Dispersal of Modern Humans

Modern Human Biology: Patterns of Variation

Modern Human Biology: Patterns of Adaptation

Legacies of Human Evolutionary History: Effects on the Human Life Course

The Human Disconnection

Filters

Exam 4: Heredity and Evolution

Which of the following is NOT inherited in a Mendelian fashion?

When Mendel crossed plants and considered two traits simultaneously (e.g., height and seed color in peas), what proportion of the F2 generation offspring expressed both recessive phenotypes?

Evolution can be most succinctly defined as

Gene flow is defined as the

Gregor Mendel

X-linked traits affect males and females in equal frequencies.

According to Modern Synthesis, evolution can be defined as a two-stage process that includes

Genetic drift is a result of

In order for a mutation to be passed on to an offspring, the mutation must

The majority of sex-linked traits have loci on the X chromosome.

In a hypothetical situation, B is the allele that causes brachydactyly. If a man who has normal fingers (bb)and a woman with brachydactyly (Bb)have children, what proportion of these children would you expect to have normal fingers? (Hint: Use a Punnett square.)

Mendel worked with animal populations to formulate his principles of inheritance.

Two people (both heterozygotes)are able to taste a chemical substance called PTC. The ability to taste PTC is caused by a dominant allele (T). The inability to taste PTC is caused by a recessive allele (t). What proportion of their children would be expected to have the tt genotype?

The fact that both green and yellow peas were produced by tall pea plants in predictable frequencies led Mendel to propose the

Explain the importance of the discoveries of Gregor Mendel to genetics and include an explanation of each of his principles.

Which is NOT true about random assortment?

Which statement concerning polygenic traits is FALSE?

Describe some environmental factors that can influence genotypes.

All variation in mtDNA is caused by mutation.

Discuss Modern Synthesis and its importance in bringing together natural selection and mutation as joint forces in biological evolution.

Introduction to Physical Anthropology

The Development of Evolutionary Theory

The Biological Basis of Life

Macroevolution: Processes of Vertebrate and Mammalian Evolution

Survey of the Living Primates

Primate Behavior

Overview of the Fossil Primates

Paleoanthropology: Reconstructing Early Hominin Behavior and Ecology

Hominin Origins in Africa

The First Dispersal of the Genus Homo: Homo Erectus and Contemporaries

Premodern Humans

The Origin and Dispersal of Modern Humans

Modern Human Biology: Patterns of Variation

Modern Human Biology: Patterns of Adaptation

Legacies of Human Evolutionary History: Effects on the Human Life Course

The Human Disconnection

Filters

When Mendel crossed plants and considered two traits simultaneously (e.g., height and seed color in peas), what proportion of the F₂ generation offspring expressed both recessive phenotypes?