Makes y-strs useful in forensic sciences

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Question 1.

Which one of the following makes Y-STRs useful in forensic sciences?

1. The Y-chromosome is the smallest chromosome.

2. Replication of the DNA takes less then one hour.

3. It is shorter by six bases on the Y chromosome then the X chromosome.

4. It originates only from a male donor of DNA.

5. The frequency of occurrence in the general population is very small.

Question 2.

Which of the following techniques is NOT used in forensic DNA analysis?

1. Cloning of new genes

2. STR analysis

3. DNA sequencing

4. Polymerase chain reaction

5. All of the about are used in forensic DNA analysis.

Reference no: EM133210983

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