18. Biotechnology
DNA Fingerprinting
18. Biotechnology
DNA Fingerprinting
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- Multiple Choice
The goal of DNA fingerprinting is:
1342views - Multiple Choice
Which of the following characteristics of short tandem repeats (STRs) makes it useful for DNA fingerprinting?
2652views2rank - Multiple Choice
The gel below shows a region of STRs from a DNA sample taken from a crime scene. It also shows the same region of STRs from 4 suspects involved in the case. Which suspect' DNA was found at the crime scene?
1343views - Multiple ChoiceGenetic profiles are used to determine whether Sam could be the father of Becky's baby. Sam is not the father if __________ genetic profile shows some bands not present in __________ genetic profile.747views
- Textbook QuestionImagine you have found a small quantity of DNA. Fill in the following diagram, which outlines a series of DNA technology experiments you could perform to study this DNA. a. b. c. d. e.521views
- Textbook QuestionThe DNA profiles used as evidence in a murder trial look something like supermarket bar codes. The pattern of bars in a DNA profile shows a. the order of bases in a particular gene. b. the presence of various-sized fragments of DNA. c. the presence of dominant or recessive alleles for particular traits. d. the order of genes along particular chromosomes.680views
- Textbook Question
A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo (a bird). To compare a specific region of the DNA from a sample with DNA from living birds, which of the following would be most useful for increasing the amount of dodo DNA available for testing? a. SNP analysis b. polymerase chain reaction (PCR) c. electroporation d. gel electrophoresis
1347views - Textbook QuestionWhy does DNA profiling rely on comparing specific genetic markers rather than the entire genome?740views