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.

Q: Question: Through what system of the body do hormones generally travel? Answer: circulatory system

A: Hormones generally travel through the circulatory system system of the body.
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Q: Question: What in the axils of leaves and stems give rise to branches? Answer: axillary buds

A: Axillary buds in the axils of leaves and stems give rise to branches.
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Q: Question: What is the rate at which a specific allele appears within a population called? Answer: allele frequecy

A:
Allele frequecy is the rate at which a specific allele appears within a population.
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