Part 1. Definition
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
Part 2. Example
Question: Which is an example of a renewable energy resource? Answer: Biomass
Answer: Biomass is an example of a renewable energy resource.
Explanation: The output clearly summarizes the question and answer and hence is correct
Part 3. Exercise
Question: How many pairs of chromosomes do human have ? Answer: 23 pairs
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Humans have 23 pairs pairs of chromosomes.