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DNA Analysis
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Questions (68)
Since its discovery in 1953, DNA has revolutionized the study of evolutionary relationships. Darwin didn’t know about DNA. He
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One fish, two fish, red fish, lungfish: For a long time, scientists thought that coelacanths were the closest living relatives
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Frog legs and fish eggs: When scientists compare DNA, there are usually thousands upon thousands—or even millions—of
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A sequence of nucleotides is shown below.
ATGAAAGCCTATGCACCA What does this sequence provide coding for? A. proteins B. ATP C.
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Gel electrophoresis is a technique used by molecular biologists to analyze samples of DNA or proteins. DNA was collected from
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In the field of forensic science, biotechnology plays a crucial role in analyzing DNA evidence, identifying suspects, and
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One fish, two fish, red fish, lungfish: For a long time, scientists thought that coelacanths were the closest living relatives
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4. A colleague wishes to separate a mixture of DNA fragments using gel electrophoresis and asks you if he can use alternating
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a method used to identify an individual from a sample of DNA by looking at unique patterns in their DNA
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Different species are distinguished by their(1 point) Responses DNA DNA size size diet diet physical appearance
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Imagine you are a forensic investigator giving a presentation to a school assembly. A student asks you, “If people have such a
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Refer to the image above. An analysis of DNA from these organisms would indicate that
Responses they have identical DNA. they all
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Refer to the image above. An analysis of DNA from these organisms would indicate that
Responses they have identical DNA. they
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Similar DNA sequences in genes can be evidence of
* 2 points binomial nomenclature mutations common ancestry different anatomy
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V
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Question 2
Which is the best explanation of why DNA can be used to show relationships between species? a DNA sequences will be
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Scientists often use gel electrophoresis to analyze similarities in DNA samples. A band appears when a gene is present in a
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How has DNA analysis changed classification?(1 point)
Since all living organisms share common DNA, morphological similarities and
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What type of information would go in the area labeled B (hash lines)?
Quiz image a organisms b DNA analysis c shared
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kjhgtfrdesdcvgb
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Parent Categories (14)
Biology
Biotechnology
Cell Components
Crime/Investigation
Evolution
Evolutionary Biology
Evolutionary relationships
Forensic analysis
Forensic Science
Forensics
Gel Electrophoresis
Gene organization
Genetics
Molecular Biology