Question 1

In which choice are the entries listed from smallest to largest?

Accepted Answer

A) DNA building block - gene - chromosome - genome 
B) DNA building block - RNA building block - protein 
C) Gene - cell - DNA - genome 
D) Chromosome - genome - cell - DNA building block 
A) DNA building block - gene - chromosome - genome 
B) DNA building block - RNA building block - protein 
C) Gene - cell - DNA - genome 
D) Chromosome - genome - cell - DNA building block A

Question 2

A genotype refers to

Accepted Answer

A) particular allele combinations. 
B) expression patterns of certain genes. 
C) the environmental components of a trait. 
D) the number of chromosomes that a person has. 
A) particular allele combinations. 
B) expression patterns of certain genes. 
C) the environmental components of a trait. 
D) the number of chromosomes that a person has. A

Question 3

Genetics is the study of

Accepted Answer

A) variation of inherited traits. 
B) how organisms reproduce. 
C) how life originated. 
D) how the environment causes disease. 
A) variation of inherited traits. 
B) how organisms reproduce. 
C) how life originated. 
D) how the environment causes disease. A

Question 4

In general,RNA molecules

Accepted Answer

A) comprise the chromosomes. 
B) use the information in specific DNA sequences to construct proteins. 
C) entwine with DNA molecules to encode proteins. 
D) form double helices that encode DNA sequences. 
A) comprise the chromosomes. 
B) use the information in specific DNA sequences to construct proteins. 
C) entwine with DNA molecules to encode proteins. 
D) form double helices that encode DNA sequences.

Question 5

A change in a gene's DNA sequence is a(n)

Accepted Answer

A) genotype. 
B) nucleotide. 
C) mutation. 
D) genome. 
A) genotype. 
B) nucleotide. 
C) mutation. 
D) genome.

Question 6

Polydactyly is considered a Mendelian trait as

Accepted Answer

A) it is caused by linked genes. 
B) it is caused by a single gene. 
C) it is caused due to environmental factors. 
D) it affects the stem cells. 
A) it is caused by linked genes. 
B) it is caused by a single gene. 
C) it is caused due to environmental factors. 
D) it affects the stem cells.

Question 7

DNA profiling has been used to
2-14-2013

Accepted Answer

A) identify victims of terrorist attacks and natural disasters. 
B) cure metabolic diseases caused by mutations in single genes. 
C) treat male infertility. 
D) predict how children will do in school. 
A) identify victims of terrorist attacks and natural disasters. 
B) cure metabolic diseases caused by mutations in single genes. 
C) treat male infertility. 
D) predict how children will do in school.

Question 8

Why is possible to detect the mutation causing Huntington disease at any age?

Accepted Answer

A) It is possible to detect the mutation causing Huntington disease at any age because it is a single-gene disorder. 
B) It is possible to detect the mutation causing Huntington disease at any age because it affects consecutive generations. 
C) It is possible to detect the mutation causing Huntington disease at any age because it is caused by the mutation of linked genes. 
D) It is possible to detect the mutation causing Huntington disease at any age because it is influenced by the immediate environment. 
A) It is possible to detect the mutation causing Huntington disease at any age because it is a single-gene disorder. 
B) It is possible to detect the mutation causing Huntington disease at any age because it affects consecutive generations. 
C) It is possible to detect the mutation causing Huntington disease at any age because it is caused by the mutation of linked genes. 
D) It is possible to detect the mutation causing Huntington disease at any age because it is influenced by the immediate environment.

Question 9

Chromosome Y

Accepted Answer

A) forms the somatic cells. 
B) is a sex chromosome. 
C) contains discontinuous DNA sequence. 
D) is present in all humans. 
A) forms the somatic cells. 
B) is a sex chromosome. 
C) contains discontinuous DNA sequence. 
D) is present in all humans.

Question 10

A human body has about _____ cells.

Accepted Answer

A) 3.2 billion 
B) 20,600 
C) 37 trillion 
D) 10 to 100 million 
A) 3.2 billion 
B) 20,600 
C) 37 trillion 
D) 10 to 100 million

Question 11

Kanisha and her friend both receive their grades for their physics midterms.Kanisha got an A,but her friend received a D."You must have the physics gene," remarks her frienD."I don't.I might as well not bother studying." The friend's attitude illustrates the idea of

Accepted Answer

A) genetic discrimination. 
B) genetic determinism. 
C) genetic engineering. 
D) genetic modification. 
A) genetic discrimination. 
B) genetic determinism. 
C) genetic engineering. 
D) genetic modification.

Question 12

A test performed on secretions on a piece of fabric left at a crime scene that is used to implicate an apprehended suspect is

Accepted Answer

A) DNA replication. 
B) RNA transcription. 
C) DNA profiling. 
D) DNA sharing. 
A) DNA replication. 
B) RNA transcription. 
C) DNA profiling. 
D) DNA sharing.

Question 13

_____ was founded in the 1970s to address moral issues and controversies that arise in applying medical technology.

Accepted Answer

A) Metaethics 
B) Bioethics 
C) Biotechnology 
D) Genetics 
A) Metaethics 
B) Bioethics 
C) Biotechnology 
D) Genetics

Question 14

Shawn's mother and Heather's mother are sisters.Shawn and Heather have __ of their genes in common.

Accepted Answer

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

Question 15

A trait or disorder that is multifactorial is

Accepted Answer

A) present in more than one family member. 
B) found only in one part of the world. 
C) caused by one or more genes and environmental influences. 
D) caused by a single gene,with no environmental input. 
A) present in more than one family member. 
B) found only in one part of the world. 
C) caused by one or more genes and environmental influences. 
D) caused by a single gene,with no environmental input.

Question 16

_____ is a field that is revealing and describing much of the invisible living world by sequencing all of the DNA in a particular habitat.

Accepted Answer

A) Stem cell science 
B) Bioethics 
C) Metagenomics 
D) Biochemistry 
A) Stem cell science 
B) Bioethics 
C) Metagenomics 
D) Biochemistry

Question 17

Cells differentiate by

Accepted Answer

A) expressing different subsets of genes. 
B) expressing the entire genome,then silencing some genes. 
C) activating all of the DNA that encodes protein. 
D) becoming stem cells. 
A) expressing different subsets of genes. 
B) expressing the entire genome,then silencing some genes. 
C) activating all of the DNA that encodes protein. 
D) becoming stem cells.

Question 18

One way to study the human genome is to

Accepted Answer

A) determine the twisting patterns of the two sides of the double helix. 
B) determine the sequence of sugars and phosphates. 
C) determine the DNA sequence. 
D) conduct a phenotype-wide association study. 
A) determine the twisting patterns of the two sides of the double helix. 
B) determine the sequence of sugars and phosphates. 
C) determine the DNA sequence. 
D) conduct a phenotype-wide association study.

Question 19

_____ refers to whether a gene is "turned on" or "turned off" from being transcribed and translated into protein.2-14-2013

Accepted Answer

A) Gene mutation 
B) Gene expression 
C) Gene sequence 
D) Gene pool 
A) Gene mutation 
B) Gene expression 
C) Gene sequence 
D) Gene pool

Question 20

A gene pool consists of all the alleles in a(n)

Accepted Answer

A) population. 
B) individual. 
C) family. 
D) neighborhooD. 
A) population. 
B) individual. 
C) family. 
D) neighborhooD.

Exam 1: What Is in a Human Genome

In which choice are the entries listed from smallest to largest?

A genotype refers to

Genetics is the study of

In general,RNA molecules

A change in a gene's DNA sequence is a(n)

Polydactyly is considered a Mendelian trait as

DNA profiling has been used to 2-14-2013

Why is possible to detect the mutation causing Huntington disease at any age?

Chromosome Y

A human body has about _____ cells.

Kanisha and her friend both receive their grades for their physics midterms.Kanisha got an A,but her friend received a D."You must have the physics gene," remarks her frienD."I don't.I might as well not bother studying." The friend's attitude illustrates the idea of

A test performed on secretions on a piece of fabric left at a crime scene that is used to implicate an apprehended suspect is

_____ was founded in the 1970s to address moral issues and controversies that arise in applying medical technology.

Shawn's mother and Heather's mother are sisters.Shawn and Heather have __ of their genes in common.

A trait or disorder that is multifactorial is

_____ is a field that is revealing and describing much of the invisible living world by sequencing all of the DNA in a particular habitat.

Cells differentiate by

One way to study the human genome is to

_____ refers to whether a gene is "turned on" or "turned off" from being transcribed and translated into protein.2-14-2013

A gene pool consists of all the alleles in a(n)

Cells

Meiosis,Development and Aging

Single-Gene Inheritance

Beyond Mendels Laws

Matters of Sex

Multifactorial Traits

Genetics of Behavior

DNA Structure and Replication

Gene Action: From DNA to Protein

Gene Expression and Epigenetics

Gene Mutation

Chromosomes

Constant Allele Frequencies

Changing Allele Frequencies

Human Ancestry and Evolution

Genetics of Immunity

Cancer Genetics and Genomics

Genetic Technologies: Patenting, modifying, and Monitoring Dna

Genetic Testing and Treatment

Reproductive Technologies

Genomics

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