What is VNTR profiling? 1. What is VNTR profiling? d) VNTR profiling is a form o
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What is VNTR profiling?
1. What is VNTR profiling?
d) VNTR profiling is a form of DNA profiling that involves microscopy analysis.
What is a probe in molecular biology?
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What is a probe in molecular biology?
d) Probes are not used in molecular biology.
Why are short tandem repeats (STRs) the most commonly used loci for forensic DNA profiling?
Why are short tandem repeats (STRs) the most commonly used loci for forensic DNA profiling?
a) VNTR profiling is a form of DNA profiling based on single-nucleotide polymorphism. b) VNTR profiling is a form of DNA profiling that takes advantages of minisatellites. c) VNTR profiling is a form of DNA profiling that uses DNA–DNA hybridization technique.d) VNTR profiling is a form of DNA profiling that involves microscopy analysis.
What is a probe in molecular biology?
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What is a probe in molecular biology?
a) a type of vector system b) a DNA or an RNA molecule used in hybridization reactions c) an instrument used to manipulate cells in cultured) Probes are not used in molecular biology.
Why are short tandem repeats (STRs) the most commonly used loci for forensic DNA profiling?
Why are short tandem repeats (STRs) the most commonly used loci for forensic DNA profiling?
a) STRs provide more reliable evidence because they have fewer alleles than VNTRs. b) STRs are more stable than VNTRs, hence they can be obtained more readily from a degraded sample. c) STRs contain restriction sites and thus are more suitable for analysis than VNTRs. d) STRs are like VNTRs, but the repeat portion is shorter, therefore they are more suitable for PCR.Explanation / Answer
1. Option B is correct.
VNTR = Variable number of tandem repeats.
VNTR methods use a variable number of minisatellites to differentiate two individuals.
2. Option B is correct.
A probe is a complementary sequence of DNA or RNA used to hybridize a template sequence.
3. Option D is correct.
STRs are microsatellites that vary in repeat number. They are smaller than VNTR hence easy to perform PCR.
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