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: Mammalian sex determination is determined genetically by the presence of chromosomes identified by what letters? Answer: x and y
A: 
Mammalian sex determination is determined genetically by the presence of chromosomes identified by the letters x and y.
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: Mammalian sex determination is determined genetically by the presence of chromosomes identified by what letters? Answer: x and y
A: 
user
Mammalian sex determination is determined genetically by the presence of chromosomes identified by the letters x and y.
assistant
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: Mammalian sex determination is determined genetically by the presence of chromosomes identified by what letters? Answer: x and y
A: 
Mammalian sex determination is determined genetically by the presence of chromosomes identified by the letters x and y.