Question

select two: when a nitrogenous base is eliminated from the sequence it is known as which type of mutation? insertion duplication substitution deletion frameshift

Explanation:

Deletion is when a base is removed. Frameshift can occur with a deletion as it shifts the reading - frame of the genetic code. Insertion adds a base, duplication repeats a segment, and substitution replaces a base.

Answer:

D. Deletion, E. Frameshift