Mutations are rare and occur because of?
-an error in dna replication
-natural event such as an earthquake
-migration of organisms to a new population

Look at the picture below . what does this picture represent ?

What is the number of phosphates in an atp molecule

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele