Question 1

Mitochondrial DNAــــــــــــــــــــــ .

Accepted Answer

A) has a high mutation rate 
B) is useful for determining paternal ancestry 
C) has a low mutation rate 
D) is only present in animal cells 
A) has a high mutation rate 
B) is useful for determining paternal ancestry 
C) has a low mutation rate 
D) is only present in animal cells A

Question 2

Gene duplication generates new genes with novel roles.

Accepted Answer

A) True 
 B)False  True

Question 3

The African Eve hypothesis is based on ــــــــــــــــــــــ.

Accepted Answer

A) Y chromosome analysis 
B) identification of junk DNA sequences 
C) mitochondrial DNA sequences 
D) ribosomal RNA sequencing 
A) Y chromosome analysis 
B) identification of junk DNA sequences 
C) mitochondrial DNA sequences 
D) ribosomal RNA sequencing C

Question 4

Evolution relies upon ــــــــــــــــــ.

Accepted Answer

A) mutations made in somatic cells only 
B) mutations occurring in gametes 
C) mutations that result in altered protein function of somatic cells 
D) mutations in mRNA only 
A) mutations made in somatic cells only 
B) mutations occurring in gametes 
C) mutations that result in altered protein function of somatic cells 
D) mutations in mRNA only

Question 5

Which was likely the first molecule of life?

Accepted Answer

A) DNA 
B) RNA 
C) protein 
D) lipids 
A) DNA 
B) RNA 
C) protein 
D) lipids

Question 6

Recent evolutionary changes are easier to identify from ــــــــــــــــــــــ.

Accepted Answer

A) DNA with slow mutation rates 
B) DNA with high mutation rates 
C) ribosomal RNA sequences 
D) Y chromosomes 
A) DNA with slow mutation rates 
B) DNA with high mutation rates 
C) ribosomal RNA sequences 
D) Y chromosomes

Question 7

Life likely evolved underــــــــــــــــــــــ .

Accepted Answer

A) a reducing atmosphere 
B) cold conditions 
C) oxidizing conditions 
D) dehydrating conditions 
A) a reducing atmosphere 
B) cold conditions 
C) oxidizing conditions 
D) dehydrating conditions

Question 8

The transfer of genetic information from one species to another species is calledـــــــــــــــــــــ .

Accepted Answer

A) recombination 
B) vertical gene transfer 
C) horizontal gene transfer 
D) conjugation 
A) recombination 
B) vertical gene transfer 
C) horizontal gene transfer 
D) conjugation

Question 9

Which of the following helps support the RNA World hypothesis?

Accepted Answer

A) ribozymes 
B) catalytic RNAs 
C) genetic information encoded on RNA 
D) all of the above 
A) ribozymes 
B) catalytic RNAs 
C) genetic information encoded on RNA 
D) all of the above

Question 10

Gene families areـــــــــــــــــــــ .

Accepted Answer

A) groups of genes with similar function that were generated from duplication events 
B) entire genomes 
C) always in operons 
D) have no role in evolution 
A) groups of genes with similar function that were generated from duplication events 
B) entire genomes 
C) always in operons 
D) have no role in evolution

Mitochondrial DNAــــــــــــــــــــــ .

Gene duplication generates new genes with novel roles.

The African Eve hypothesis is based on ــــــــــــــــــــــ.

Evolution relies upon ــــــــــــــــــ.

Which was likely the first molecule of life?

Recent evolutionary changes are easier to identify from ــــــــــــــــــــــ.

Life likely evolved underــــــــــــــــــــــ .

The transfer of genetic information from one species to another species is calledـــــــــــــــــــــ .

Which of the following helps support the RNA World hypothesis?

Gene families areـــــــــــــــــــــ .

Cells and Organisms

Basic Genetics

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Plasmids

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Filters

Exam 26: Molecular Evolution

Mitochondrial DNAــــــــــــــــــــــ .

Gene duplication generates new genes with novel roles.

The African Eve hypothesis is based on ــــــــــــــــــــــ.

Evolution relies upon ــــــــــــــــــ.

Which was likely the first molecule of life?

Recent evolutionary changes are easier to identify from ــــــــــــــــــــــ.

Life likely evolved underــــــــــــــــــــــ .

The transfer of genetic information from one species to another species is calledـــــــــــــــــــــ .

Which of the following helps support the RNA World hypothesis?

Gene families areـــــــــــــــــــــ .

Cells and Organisms

Basic Genetics

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Plasmids

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Filters