Quiz 9.3-9.4
Scientists commonly use bacteria in genetic engineering because bacteria
Can contain plasmids
The study of the proteins that result from an organism's genome is called
Proteomics
DNA fingerprinting can be used to
Prove a family relationship
The main role of primers during the PCR process is to
Provide a starting point for DNA synthesis.
DNA that contains genes from more than one organism is called
Recombinant DNA.
Which of the following is the basis for the molecular differences identified by DNA fingerprinting
Regions of noncoding DNA
Which of the following statements about polymerase chain reaction is true
Requires primers and nucleotides
Bacterial enzymes that cut the DNA of viruses
Restriction enzymes
The goal of gene therapy is to replace defective or missing genes in order to
Treat some genetic disorders
Scientists use PCR to primarily
Amplify DNA
The main purpose of genetic screening is to
Assess the risk of having or carrying a genetic disorder.
Which of the following terms is used to describe the use of computer databases to analyze and organize biological data?
Bioinformatics
Which of the following genetic disorders can be identified through genetic screening?
Cystic fibrosis
Gene sequencing defines the order of
DNA nucleotides in genes or genome o
Some restriction enzyme leave behind sticky ends, or tails of
Exposed bases
Which technique is used to seperate DNA fragments by their size
Gel e😈electrophoresis
Which of the following are examples of clones
Identical twin sisters
The two main goals of the human genome project are to sequence all of the DNA base pairs of the human chromosomes and to
Identify all of the genes within the genome.
During the PCR cycle wat happens to the number of copies of the DNA segment.
It doubles
Which phrase is true for a DNA fingerprint
It is a type of restriction map
The patterns of bands on a DNA fingerprint shows the sizes of DNA fragments related to the
Number of repeat sequences
DNA microarrays can be used to compare different cell types by showing
Patterns of gene expression.
Suppose a segment of DNA contains 5 restriction sites for a particular restriction enzyme. How many fragments of DNA will remain after the enzyme is used to cut out the DNA.
Six nitch
What to the bands on a restriction map show
Sizes of DNA fragments
Which factor has so dar kept gene therapy from becoming an effective treatment for genetic disorders?
The difficulty of getting new genes to become part of a cell's DNA.
Which statement is true of all genetically engineered organisms?
They have altered genomes
How are viruses used in gene therapy
To carry new genes into cells
The first step of PCR is too heat a DNA molecule to more than ninety degrees. What is the function of this step.
To separate DNA strands
Plants that contain recombinant DNA are called
Transgenic