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How does DNA profiling detect genetic differences between individuals?


A) uses short tandem repeats and other variable parts of the genome
B) uses shared genetic sequences
C) uses entire genomes
D) All answers are correct.
E) uses only coding regions of the genome

F) B) and E)
G) A) and B)

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Cloning and sexual reproduction result in two genetically-identical cells/organisms.

A) True
B) False

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98.5% of the human genome does not encode proteins.

A) True
B) False

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Gene probes locate specific DNA sequences by


A) binding with the complementary sequence in a genome.
B) turning off genes in specialized cells.
C) creating cloned genes.
D) electrophoresis.
E) All answers are correct.

F) D) and E)
G) A) and E)

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DNA probes can be used to detect the alleles for


A) cystic fibrosis.
B) hemophilia.
C) All answers are correct.
D) Tay-Sachs syndrome.
E) sickle cell diseasE.

F) None of the above
G) A) and E)

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In the section "Investigating Life: What Makes Us Human?",what was the sequence of steps used to sequence a chimpanzee genome?


A) isolated DNA,fragmented DNA,inserted DNA into plasmids,bacteria replicated plasmids,extracted plasmids from bacterial cells
B) bacteria replicated plasmids,inserted DNA into plasmids,fragmented DNA,isolated DNA,extracted plasmids from bacterial cells
C) bacteria replicated plasmids,isolated DNA,inserted DNA into plasmids,fragmented DNA,extracted plasmids from bacterial cells
D) isolated DNA,inserted DNA into plasmids,fragmented DNA,bacteria replicated plasmids,extracted plasmids from bacterial cells
E) fragmented DNA,inserted DNA into plasmids,bacteria replicated plasmids,isolated DNA,extracted plasmids from bacterial cells

F) A) and C)
G) C) and E)

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To which types of organisms can cloning technology be applied?


A) asexually-reproducing organisms
B) sexually-reproducing organisms
C) animals
D) prokaryotes
E) all extant and extinct organisms with DNA available to scientists

F) A) and B)
G) A) and C)

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In the section "Investigating Life: What Makes Us Human?",what may explain why the genomes of humans and chimpanzees are so similar,yet our phenotypes are so different?


A) Humans and chimpanzees have almost all the same genes,but turn on and off different genes resulting in different phenotypes.
B) Most human genes are located in the noncoding regions,while most chimpanzee genes are located in the coding regions.
C) Most chimpanzee genes are located in the noncoding regions,while most human genes are located in the coding regions.
D) Human genes are transcribed more frequently than chimpanzee genes.
E) Human genes are translated more frequently than chimpanzee genes.

F) A) and B)
G) B) and C)

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An example of DNA technology is


A) transferring genes from a bacterium to a fish.
B) sexual reproduction between two fish.
C) asexual reproduction in one bacterium.
D) a cat feeding upon a mouse.
E) All answers are correct.

F) None of the above
G) D) and E)

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Cloning through DNA technology is most similar to


A) asexual reproduction.
B) sexual reproduction.
C) stem cells' replacement of faulty cells.
D) meiosis.
E) mate selection.

F) B) and C)
G) A) and B)

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