Question 1

Proteins consist of:

Accepted Answer

A) genes. 
B) RNA plus mRNA. 
C) chains of DNA nucleotides. 
D) chains of amino acids. 
A) genes. 
B) RNA plus mRNA. 
C) chains of DNA nucleotides. 
D) chains of amino acids.

Question 2

A trait's heritability:

Accepted Answer

A) is the proportion of its variation that is genetic. 
B) is the proportion of its variation that cannot be explained. 
C) is the proportion of its variation that is the product of genes and environment. 
D) is the proportion of its variation that results from the environment alone. 
A) is the proportion of its variation that is genetic. 
B) is the proportion of its variation that cannot be explained. 
C) is the proportion of its variation that is the product of genes and environment. 
D) is the proportion of its variation that results from the environment alone.

Question 3

DNA:

Accepted Answer

A) is single stranded. 
B) contains six different nucleotide bases. 
C) directs cellular function. 
D) contains the base uracil. 
A) is single stranded. 
B) contains six different nucleotide bases. 
C) directs cellular function. 
D) contains the base uracil.

Question 4

Prokaryotes first appeared:

Accepted Answer

A) 10,000 years ago. 
B) 1 mya. 
C) 3.7 bya. 
D) 65 mya. 
A) 10,000 years ago. 
B) 1 mya. 
C) 3.7 bya. 
D) 65 mya.

Question 5

The gene responsible for lactose persistence among adults in Europe is a:

Accepted Answer

A) structural gene. 
B) dominant gene. 
C) regulatory gene. 
D) Hox gene. 
A) structural gene. 
B) dominant gene. 
C) regulatory gene. 
D) Hox gene.

Question 6

Use what you know about meiosis to explain Mendel's Law of Segregation and Law of Independent Assortment.

Accepted Answer

Although Mendel did not know about chrom

Question 7

Meiosis results in the production of:

Accepted Answer

A) two gametes. 
B) four gametes. 
C) a single gamete. 
D) none of the above 
A) two gametes. 
B) four gametes. 
C) a single gamete. 
D) none of the above

Question 8

In 2004,the Human Genome Project published a human genome map that indicated:

Accepted Answer

A) 100,000 genes are responsible for the human body's proteins. 
B) 50,000 genes are responsible for the human body's proteins. 
C) 20,000-25,000 genes are responsible for the human body's proteins. 
D) 200,000-250,000 genes are responsible for the human body's proteins. 
A) 100,000 genes are responsible for the human body's proteins. 
B) 50,000 genes are responsible for the human body's proteins. 
C) 20,000-25,000 genes are responsible for the human body's proteins. 
D) 200,000-250,000 genes are responsible for the human body's proteins.

Question 9

Homologous chromosomes:

Accepted Answer

A) are genetically identical. 
B) carry genetic information that influences the same trait. 
C) are inherited only from the mother. 
D) are members of different pairs. 
A) are genetically identical. 
B) carry genetic information that influences the same trait. 
C) are inherited only from the mother. 
D) are members of different pairs.

Question 10

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

Accepted Answer

A) applies to genes on the same chromosome. 
B) applies to the law of independent assortment. 
C) explains gene linkage. 
D) explains inheritance in simple organisms. 
A) applies to genes on the same chromosome. 
B) applies to the law of independent assortment. 
C) explains gene linkage. 
D) explains inheritance in simple organisms.

Question 11

The following are complementary bases in DNA:

Accepted Answer

A) adenine and thymine. 
B) adenine and cytosine. 
C) guanine and thymine. 
D) guanine and uracil. 
A) adenine and thymine. 
B) adenine and cytosine. 
C) guanine and thymine. 
D) guanine and uracil.

Question 12

The two alleles that result in the expressed phenotype for hemoglobin are equally expressed.This is an example of:

Accepted Answer

A) polymorphism. 
B) codominance. 
C) pleiotropy. 
D) Mendelian inheritance. 
A) polymorphism. 
B) codominance. 
C) pleiotropy. 
D) Mendelian inheritance.

Question 13

The presence of a recessive allele:

Accepted Answer

A) can always be determined from the phenotype. 
B) is usually masked in the phenotype. 
C) is expressed in the phenotype alongside a dominant allele. 
D) none of the above 
A) can always be determined from the phenotype. 
B) is usually masked in the phenotype. 
C) is expressed in the phenotype alongside a dominant allele. 
D) none of the above

Question 14

Deoxyribonucleic acid (DNA)differs from ribonucleic acid (RNA)in that:

Accepted Answer

A) it was studied during Darwin's lifetime. 
B) it is the "recipe" for all biological characteristics and functions. 
C) it was discovered by Mendel. 
D) it is stored in ribosomes. 
A) it was studied during Darwin's lifetime. 
B) it is the "recipe" for all biological characteristics and functions. 
C) it was discovered by Mendel. 
D) it is stored in ribosomes.

Question 15

Hemoglobin is an amino acid.

Accepted Answer

A) True 
 B)False

Question 16

DNA replication produces:

Accepted Answer

A) four identical daughter cells. 
B) two identical daughter cells. 
C) two single strands of DNA. 
D) none of the above 
A) four identical daughter cells. 
B) two identical daughter cells. 
C) two single strands of DNA. 
D) none of the above

Question 17

Microsatellites are:

Accepted Answer

A) small satellite transmitters used in genetic research. 
B) useful for determining group but not individual identification. 
C) highly individualized repetitive stretches of nuclear DNA. 
D) known from Watson and Crick's 1950s research. 
A) small satellite transmitters used in genetic research. 
B) useful for determining group but not individual identification. 
C) highly individualized repetitive stretches of nuclear DNA. 
D) known from Watson and Crick's 1950s research.

Question 18

Transfer RNA:

Accepted Answer

A) seeks complementary triplet strands of mRNA codons. 
B) contains codons that correspond to specific amino acids. 
C) brings amino acids together to form polypeptide chains. 
D) all of the above 
A) seeks complementary triplet strands of mRNA codons. 
B) contains codons that correspond to specific amino acids. 
C) brings amino acids together to form polypeptide chains. 
D) all of the above

Question 19

A doctor finds that the mammary glands of a woman are not functioning due to a genetic abnormality that influences the structural design of the thoracic cavity.This is likely:

Accepted Answer

A) the result of a mutation on the sex chromosomes. 
B) the result of a mutation on a Hox gene. 
C) the result of a mutation in HSV-1. 
D) none of the above 
A) the result of a mutation on the sex chromosomes. 
B) the result of a mutation on a Hox gene. 
C) the result of a mutation in HSV-1. 
D) none of the above

Question 20

Nucleotide bases in nuclear DNA include all of the following EXCEPT:

Accepted Answer

A) thymine. 
B) adenine. 
C) uracil. 
D) cytosine. 
A) thymine. 
B) adenine. 
C) uracil. 
D) cytosine.

Proteins consist of:

A trait's heritability:

DNA:

Prokaryotes first appeared:

The gene responsible for lactose persistence among adults in Europe is a:

Use what you know about meiosis to explain Mendel's Law of Segregation and Law of Independent Assortment.

Meiosis results in the production of:

In 2004,the Human Genome Project published a human genome map that indicated:

Homologous chromosomes:

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

The following are complementary bases in DNA:

The two alleles that result in the expressed phenotype for hemoglobin are equally expressed.This is an example of:

The presence of a recessive allele:

Deoxyribonucleic acid (DNA)differs from ribonucleic acid (RNA)in that:

Hemoglobin is an amino acid.

DNA replication produces:

Microsatellites are:

Transfer RNA:

A doctor finds that the mammary glands of a woman are not functioning due to a genetic abnormality that influences the structural design of the thoracic cavity.This is likely:

Nucleotide bases in nuclear DNA include all of the following EXCEPT:

What Is Physical Anthropology

Evolution: Constructing a Fundamental Scientific Theory

Genes and Their Evolution: Population Genetics

Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominid Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

Our Last 10, 000 Years: Agriculture, population, and the Bioarchaeology of a Fundamental Transition

Evolution: Today and Tomorrow

Filters

Exam 3: Genetics: Reproducing Life and Producing Variation

Proteins consist of:

A trait's heritability:

DNA:

Prokaryotes first appeared:

The gene responsible for lactose persistence among adults in Europe is a:

Use what you know about meiosis to explain Mendel's Law of Segregation and Law of Independent Assortment.

Meiosis results in the production of:

In 2004,the Human Genome Project published a human genome map that indicated:

Homologous chromosomes:

In his work on pea plants,Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding:

The following are complementary bases in DNA:

The two alleles that result in the expressed phenotype for hemoglobin are equally expressed.This is an example of:

The presence of a recessive allele:

Deoxyribonucleic acid (DNA)differs from ribonucleic acid (RNA)in that:

Hemoglobin is an amino acid.

DNA replication produces:

Microsatellites are:

Transfer RNA:

A doctor finds that the mammary glands of a woman are not functioning due to a genetic abnormality that influences the structural design of the thoracic cavity.This is likely:

Nucleotide bases in nuclear DNA include all of the following EXCEPT:

What Is Physical Anthropology

Evolution: Constructing a Fundamental Scientific Theory

Genes and Their Evolution: Population Genetics

Biology in the Present: Living People

Biology in the Present: The Other Living Primates

Primate Sociality, social Behavior, and Culture

Fossils and Their Place in Time and Nature

Primate Origins and Evolution: The First 50 Million Years

Early Hominid Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins,evolution,and Dispersal of Modern People

Our Last 10, 000 Years: Agriculture, population, and the Bioarchaeology of a Fundamental Transition

Evolution: Today and Tomorrow

Filters