Question 1

Explain Mendel's principle of segregation.

Accepted Answer

Mendel's principle of segregation states

Question 2

An individual's actual genetic makeup is called the

Accepted Answer

A) phenotype. 
B) homozygosity. 
C) recessiveness. 
D) phenotypic ratio. 
E) genotype. 
A) phenotype. 
B) homozygosity. 
C) recessiveness. 
D) phenotypic ratio. 
E) genotype.

Question 3

What produces new alleles at a locus?

Accepted Answer

A) Natural selection 
B) Recombination 
C) Mutation 
D) Migration 
E) Genetic drift 
A) Natural selection 
B) Recombination 
C) Mutation 
D) Migration 
E) Genetic drift

Question 4

The ABO blood type system consists of ______ alleles.

Accepted Answer

A) 6 
B) 4 
C) 3 
D) 2 
E) 5 
A) 6 
B) 4 
C) 3 
D) 2 
E) 5

Question 5

Which of the following types of traits are governed by more than one genetic locus?

Accepted Answer

A) Polygenic 
B) Dominant 
C) Mendelian 
D) Recessive 
E) Pleiotropic 
A) Polygenic 
B) Dominant 
C) Mendelian 
D) Recessive 
E) Pleiotropic

Question 6

Explain random assortment.

Accepted Answer

Random assortment refers to the process

Question 7

What is the effect of genetic bottlenecks on human and nonhuman species?

Accepted Answer

Genetic bottlenecks can have significant

Question 8

A person with blood type B is heterozygous. What is that person's genotype?

Accepted Answer

A) BB 
B) OO 
C) BO 
D) AB 
E) none of these 
A) BB 
B) OO 
C) BO 
D) AB 
E) none of these

Question 9

Explain polygenic inheritance, and give examples of polygenic trains in humans.

Accepted Answer

Polygenic inheritance refers to the inhe

Question 10

Compare and contrast polygenic and Mendelian traits.

Accepted Answer

Polygenic traits and Mendelian traits ar

Question 11

Explain the importance of mutation as a factor that produces variation and its importance to the evolutionary process.

Accepted Answer

Mutation is a crucial factor in producin

Question 12

List two evolutionary factors and their level of organization in the evolutionary process.

Accepted Answer

Two evolutionary factors and their respe

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 ability to taste PTC?

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

Explain why a woman with type O blood and a man with type A blood could potentially have children with either type A or O blood.

Accepted Answer

This is possible because the man with ty

Question 15

Sex-linked traits

Accepted Answer

A) have their loci on all chromosomes. 
B) are expressed more often in females than in males. 
C) are expressed in females in the same fashion as autosomal traits. 
D) are carried mainly on the Y chromosome. 
E) includes albinism. 
A) have their loci on all chromosomes. 
B) are expressed more often in females than in males. 
C) are expressed in females in the same fashion as autosomal traits. 
D) are carried mainly on the Y chromosome. 
E) includes albinism.

Question 16

A man who has type A blood has the AA genotype. His wife, with type B blood, has the BO genotype. Which of the following blood types is/are NOT possible for their children?

Accepted Answer

A) Type O 
B) Type AB 
C) Type A 
D) Type AO 
E) A codominant type 
A) Type O 
B) Type AB 
C) Type A 
D) Type AO 
E) A codominant type

Question 17

Which of the below is FALSE regarding the relationship between malaria and the HbS allele?

Accepted Answer

A) There is no geographic correlation between the distribution of the HbS allele and malaria. 
B) Heterozygotes have greater resistance to malaria than homozygous individuals. 
C) The malarial parasite does not reproduce very well in the red blood cells of heterozygotes. 
D) Malaria is caused by the Plasmodium parasite. 
E) The HbS mutation probably occurs occasionally in all human populations. 
A) There is no geographic correlation between the distribution of the HbS allele and malaria. 
B) Heterozygotes have greater resistance to malaria than homozygous individuals. 
C) The malarial parasite does not reproduce very well in the red blood cells of heterozygotes. 
D) Malaria is caused by the Plasmodium parasite. 
E) The HbS mutation probably occurs occasionally in all human populations.

Question 18

Explain the genetic importance of mitochondrial inheritance.

Accepted Answer

Mitochondrial inheritance is important b

Question 19

Achondroplasia is an example of an autosomal recessive trait.

Accepted Answer

A) True 
 B)False

Explain Mendel's principle of segregation.

An individual's actual genetic makeup is called the

What produces new alleles at a locus?

The ABO blood type system consists of ______ alleles.

Which of the following types of traits are governed by more than one genetic locus?

Explain random assortment.

What is the effect of genetic bottlenecks on human and nonhuman species?

A person with blood type B is heterozygous. What is that person's genotype?

Explain polygenic inheritance, and give examples of polygenic trains in humans.

Compare and contrast polygenic and Mendelian traits.

Explain the importance of mutation as a factor that produces variation and its importance to the evolutionary process.

List two evolutionary factors and their level of organization in the evolutionary process.

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 ability to taste PTC?

Explain why a woman with type O blood and a man with type A blood could potentially have children with either type A or O blood.

Sex-linked traits

A man who has type A blood has the AA genotype. His wife, with type B blood, has the BO genotype. Which of the following blood types is/are NOT possible for their children?

Which of the below is FALSE regarding the relationship between malaria and the Hb^S allele?

Explain the genetic importance of mitochondrial inheritance.

Achondroplasia is an example of an autosomal recessive trait.

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

Explain Mendel's principle of segregation.

An individual's actual genetic makeup is called the

What produces new alleles at a locus?

The ABO blood type system consists of ______ alleles.

Which of the following types of traits are governed by more than one genetic locus?

Explain random assortment.

What is the effect of genetic bottlenecks on human and nonhuman species?

A person with blood type B is heterozygous. What is that person's genotype?

Explain polygenic inheritance, and give examples of polygenic trains in humans.

Compare and contrast polygenic and Mendelian traits.

Explain the importance of mutation as a factor that produces variation and its importance to the evolutionary process.

List two evolutionary factors and their level of organization in the evolutionary process.

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 ability to taste PTC?

Explain why a woman with type O blood and a man with type A blood could potentially have children with either type A or O blood.

Sex-linked traits

A man who has type A blood has the AA genotype. His wife, with type B blood, has the BO genotype. Which of the following blood types is/are NOT possible for their children?

Which of the below is FALSE regarding the relationship between malaria and the HbS allele?

Explain the genetic importance of mitochondrial inheritance.

Achondroplasia is an example of an autosomal recessive trait.

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

Which of the below is FALSE regarding the relationship between malaria and the Hb^S allele?