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.

[EX Q]: Question: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately how long? Answer: two meters
[EX A]: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately two meters long.

[EX Q]: Question: Which best explains why children resemble their parents? Answer: They have similar DNA.
[EX A]: Children resemble their parents because they have similar dna.

[EX Q]: Question: What is used to carry out metric unit conversions? Answer: dimensional analysis
[EX A]:
Dimensional analysis is used to carry out metric unit conversions.

