A child is born with two more codons than those found in the DNA of their parents. How could this genetic difference have happened?

2. what process do mrna and trna work together to complete? (3 points)

Which beat describes the brain stem

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service