Question 1

Homeotic (Hox) genes are

Accepted Answer

A)  structural genes. 
B)  responsible for the development and location of key body parts. 
C)  responsible for determining the sex of offspring. 
D)  not used during embryonic development. 
A)  structural genes. 
B)  responsible for the development and location of key body parts. 
C)  responsible for determining the sex of offspring. 
D)  not used during embryonic development.

Question 2

Complementary bases in DNA are

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 3

The presence of a recessive allele

Accepted Answer

A)  can always be determined from the phenotype. 
B)  can be masked in the phenotype. 
C)  is expressed in the phenotype alongside a dominant allele. 
D)  can never be expressed in the phenotype. 
A)  can always be determined from the phenotype. 
B)  can be masked in the phenotype. 
C)  is expressed in the phenotype alongside a dominant allele. 
D)  can never be expressed in the phenotype.

Question 4

Gametes are

Accepted Answer

A)  diploid. 
B)  haploid. 
C)  produced during mitosis. 
D)  somatic. 
A)  diploid. 
B)  haploid. 
C)  produced during mitosis. 
D)  somatic.

Question 5

Transcription

Accepted Answer

A)  occurs in the nucleus. 
B)  occurs in the ribosome. 
C)  results in the production of proteins. 
D)  results in the transformation of mitochondria. 
A)  occurs in the nucleus. 
B)  occurs in the ribosome. 
C)  results in the production of proteins. 
D)  results in the transformation of mitochondria.

Question 6

Homologous chromosomes

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

Chromosome number is reduced during

Accepted Answer

A)  mitosis. 
B)  recombination. 
C)  translation. 
D)  meiosis. 
A)  mitosis. 
B)  recombination. 
C)  translation. 
D)  meiosis.

Question 9

A trait's heritability is the proportion of its variation that

Accepted Answer

A)  is inherited. 
B)  cannot be explained. 
C)  is the product of genes and environment. 
D)  results from the environment alone. 
A)  is inherited. 
B)  cannot be explained. 
C)  is the product of genes and environment. 
D)  results from the environment alone.

Question 10

Hox genes

Accepted Answer

A)  appear to function in similar ways across diverse groups of organisms. 
B)  function only in fruit flies. 
C)  control which amino acids get plugged into polypeptide chains. 
D)  control the development of language in humans. 
A)  appear to function in similar ways across diverse groups of organisms. 
B)  function only in fruit flies. 
C)  control which amino acids get plugged into polypeptide chains. 
D)  control the development of language in humans.

Question 11

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.

Question 12

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

Accepted Answer

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

Question 13

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

Question 14

Human ABO blood types are determined by

Accepted Answer

A)  regulatory genes. 
B)  multiple alleles. 
C)  multiple genes. 
D)  homeotic genes. 
A)  regulatory genes. 
B)  multiple alleles. 
C)  multiple genes. 
D)  homeotic genes.

Question 15

In mammals, the male parent's gametes determine the sex of his offspring because

Accepted Answer

A)  the X chromosome originates only from females. 
B)  sperm are more powerful than eggs. 
C)  the Y chromosome is present in males only. 
D)  the X chromosome determines sex. 
A)  the X chromosome originates only from females. 
B)  sperm are more powerful than eggs. 
C)  the Y chromosome is present in males only. 
D)  the X chromosome determines sex.

Question 16

There are seven types of proteins.Three of them are structural, mechanical, and nutrient. What are the other four?

Accepted Answer

A)  enzymes, gas transport, antigen, and hormones 
B)  enzymes, gas transport, antibodies, and hormones 
C)  enzymes, gas transport, antigen, and catalyzing 
D)  enzymes, transcription, antibodies, and hormones 
A)  enzymes, gas transport, antigen, and hormones 
B)  enzymes, gas transport, antibodies, and hormones 
C)  enzymes, gas transport, antigen, and catalyzing 
D)  enzymes, transcription, antibodies, and hormones

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

The expression of polygenic traits is

Accepted Answer

A)  never determined by the influence of environmental factors. 
B)  determined by genes at several loci. 
C)  determined by multiple genes at one locus. 
D)  determined solely by the influence of environmental factors. 
A)  never determined by the influence of environmental factors. 
B)  determined by genes at several loci. 
C)  determined by multiple genes at one locus. 
D)  determined solely by the influence of environmental factors.

Question 19

Prokaryotes first appeared

Accepted Answer

A)  10,000 years ago. 
B)  1 mya. 
C)  3.5 bya. 
D)  65 mya. 
A)  10,000 years ago. 
B)  1 mya. 
C)  3.5 bya. 
D)  65 mya.

Question 20

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 the result of a mutation

Accepted Answer

A)  on the sex chromosomes. 
B)  in a Hox gene. 
C)  in HSV-1. 
D)  in an antibody. 
A)  on the sex chromosomes. 
B)  in a Hox gene. 
C)  in HSV-1. 
D)  in an antibody.

Homeotic (Hox) genes are

Complementary bases in DNA are

The presence of a recessive allele

Gametes are

Transcription

Homologous chromosomes

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

Chromosome number is reduced during

A trait's heritability is the proportion of its variation that

Hox genes

Nucleotide bases in nuclear DNA include all of the following EXCEPT

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

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

Human ABO blood types are determined by

In mammals, the male parent's gametes determine the sex of his offspring because

There are seven types of proteins.Three of them are structural, mechanical, and nutrient. What are the other four?

Microsatellites are

The expression of polygenic traits is

Prokaryotes first appeared

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 the result of a mutation

What Is Biological 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 Hominin Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins, Evolution, and Dispersal of Modern People

The Past 10,000 Years: Agriculture, Population, Biology

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Exam 3: Genetics: Reproducing Life and Producing Variation

Homeotic (Hox) genes are

Complementary bases in DNA are

The presence of a recessive allele

Gametes are

Transcription

Homologous chromosomes

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

Chromosome number is reduced during

A trait's heritability is the proportion of its variation that

Hox genes

Nucleotide bases in nuclear DNA include all of the following EXCEPT

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

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

Human ABO blood types are determined by

In mammals, the male parent's gametes determine the sex of his offspring because

There are seven types of proteins.Three of them are structural, mechanical, and nutrient. What are the other four?

Microsatellites are

The expression of polygenic traits is

Prokaryotes first appeared

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 the result of a mutation

What Is Biological 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 Hominin Origins and Evolution: The Roots of Humanity

The Origins and Evolution of Early Homo

The Origins, Evolution, and Dispersal of Modern People

The Past 10,000 Years: Agriculture, Population, Biology

Filters