Course

Genetics

Study Pack

St2 Dna Forensics

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Question 1

(Multiple Choice)

Free
The development of which biotechnology revolutionized the field of DNA forensics?

A)GWAS
B)PCR
C)Sanger sequencing
D)capillary electrophoresis

Answer

Question 2

(Multiple Choice)

Free
Mitochondrial DNA profiling is used to trace the maternal side of family trees.Why is this done using mtDNA?

A)The mtDNA is supplied to the zygote only from the egg.
B)The mtDNA under low selective pressure mutates readily.
C)The mtDNA undergoes recombination allowing allelic mixture.
D)The mtDNA only comes from the father so all differences are from the mother.

Answer

Question 3

(Essay)

Free
DNA phenotyping represents an emerging technology that uses SNPs to determine physical features.Describe why DNA phenotyping faces skepticism in court rooms and from other scientists with regard to its accuracy.

Answer

DNA phenotyping faces scrutiny...

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