Question

Explain how you could determine which individuals were heterozygous by looking at the gel

Answer 1

You can determine it by moving the blue dye on the DNA

If it matched up to the correct lanes with different Alleles, than that individual is a heterozygous , 

If not, than that person is a monozygous

Explanation:

They show marks to work out the mutated alleles by swing them by traditional ones. Compare to normal traditional to affected marks.

Answer 2

You can determine it by moving the blue dye on the DNA

If it matched up to the correct lanes with different Alleles, than that individual is a heterozygous , 

If not, than that person is a monozygous