Answer:
An insertion changes the number of DNA bases in a gene by adding a piece of DNA. As a result, the protein made by the gene may not function properly. Deletion. ... This type of mutation occurs when the addition or loss of DNA bases changes a gene's reading frame.
The correct answer would be a positive feedback loop. when contractions happens its to help get the baby out and to let you know when the baby is coming so when the contractions start it means you are going into labor.
Option 1 is the correct answer.
Answer:
renal glucose reabsorption
Explanation: