Genetic Lineage Markers Quiz

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In forensic casework on sexual assault evidence, what is the advantage of using male-specific amplification?

It leads to a higher power of discrimination due to genetic shuffling with recombination

It allows for the generation of rare random match probabilities using the product rule

Lower levels of male perpetrator DNA can be recovered due to concern about heterozygote allele loss

It can potentially recover results with lower levels of male perpetrator DNA without concern about heterozygote allele loss (correct)

Why is Y-specific DNA useful in deficiency paternity cases?

It provides a higher power of discrimination due to genetic shuffling with recombination

It allows for the determination of the number of male contributors quickly

It has a fairly high mutation rate similar to autosomes

It can be used to tie male children to fathers in motherless paternity cases (correct)

What is a disadvantage of Y-specific DNA in forensic kits with Y STR markers?

It allows for the determination of the number of male contributors quickly

Loci are independent of one another, allowing for rare random match probabilities

It cannot generate rare random match probabilities using the product rule (correct)

It provides a higher power of discrimination due to genetic shuffling with recombination

Why are family members likely to have indistinguishable haplotypes with Y-specific DNA?

Unless mutations have occurred, leading to 'family' identification Signup and view all the answers

What is the potential benefit of using Y-specific DNA in missing persons investigations?

Patrilineal male relatives may be used for reference samples Signup and view all the answers

In forensic casework on sexual assault evidence, what is a potential advantage of using male-specific amplification?

To determine the number of male contributors quickly Signup and view all the answers

What is a disadvantage of Y-specific DNA in forensic kits with Y STR markers?

Independence of loci, leading to rare random match probabilities Signup and view all the answers

What is the potential benefit of using Y-specific DNA in missing persons investigations?

Ability to tie male children to fathers in motherless paternity cases Signup and view all the answers

Why is Y-specific DNA useful in deficiency paternity cases?

To tie male children to fathers in motherless paternity cases Signup and view all the answers

Why are family members likely to have indistinguishable haplotypes with Y-specific DNA?

Due to the ability to use haplotypes for family identification Signup and view all the answers

In forensic casework on sexual assault evidence, what is a potential disadvantage of using Y-specific DNA?

Lower power of discrimination due to genetic shuffling with recombination Signup and view all the answers

What is a potential drawback of using male-specific amplification in forensic casework on sexual assault evidence?

Concern about heterozygote allele loss via stochastic PCR amplification Signup and view all the answers

Why is Y-specific DNA useful in deficiency paternity cases?

Tying male children to fathers in motherless paternity cases Signup and view all the answers

What is a potential benefit of using Y-specific DNA in missing persons investigations?

Ability to use patrilineal male relatives for reference samples Signup and view all the answers

What is a potential drawback of Y-specific DNA in forensic kits with Y STR markers?

Indistinguishable haplotypes among family members unless mutations have occurred Signup and view all the answers

Genetic Lineage Markers Quiz

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Questions and Answers

In forensic casework on sexual assault evidence, what is the advantage of using male-specific amplification?

Why is Y-specific DNA useful in deficiency paternity cases?

What is a disadvantage of Y-specific DNA in forensic kits with Y STR markers?

Why are family members likely to have indistinguishable haplotypes with Y-specific DNA?

What is the potential benefit of using Y-specific DNA in missing persons investigations?

In forensic casework on sexual assault evidence, what is a potential advantage of using male-specific amplification?

What is a disadvantage of Y-specific DNA in forensic kits with Y STR markers?

What is the potential benefit of using Y-specific DNA in missing persons investigations?

Why is Y-specific DNA useful in deficiency paternity cases?

Why are family members likely to have indistinguishable haplotypes with Y-specific DNA?

In forensic casework on sexual assault evidence, what is a potential disadvantage of using Y-specific DNA?

What is a potential drawback of using male-specific amplification in forensic casework on sexual assault evidence?

Why is Y-specific DNA useful in deficiency paternity cases?

What is a potential benefit of using Y-specific DNA in missing persons investigations?

What is a potential drawback of Y-specific DNA in forensic kits with Y STR markers?

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