Topic 6 - DNA Profiling

Question 1

Describe how DNA profiling could be carried out to show that these snakes are different species (4 marks)

Answer 1

▪︎ DNA obtained from the two types of grass snake

▪︎ {PCR/Restriction enzymes} used to produce fragments of DNA

▪︎ Gel electrophoresis used to analyse the DNA sample

▪︎ Differences in the pattern of bands produced would indicate that the snakes are different species