TLS Online TPP Program

#Question id: 13104


With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Why is it that some people show two bands?

#Unit 13. Methods in Biology
  1. They are heterozygotes at this region.
  2. They are homozygotes at this region.
  3. Because longer the DNA fragments.
  4. Because the more repeats is found.