Question

according to the gel electrophoresis results, which suspect left dna at the crime scene? crime scene victim suspect a suspect b 3 multiple choice 10 points genetic engineering means modifying dna by adding or removing genes separating dna using electricity in a gel electrophoresis making identical copies of dna to use in tests leaving dna alone - it wasnt meant to be messed with

Explanation:

For the first question, by comparing the DNA band - patterns in gel electrophoresis, we look for a match between the crime - scene DNA and the suspects' DNA. For the second question, genetic engineering involves manipulating DNA by adding or removing genes.

Answer:

1. D. Suspect B
2. A. Modifying DNA by adding or removing genes