Step 1: Understand the question.
We need the name of the exact DNA spot where endonucleases make their cut.
Step 2: How restriction enzymes work.
Restriction endonucleases move along the DNA and look for a special short stretch of bases. They cut only when they find that stretch.
Step 3: Name that stretch.
This special short sequence is called the recognition sequence, often a palindrome. So the cutting position is the recognition sequence.
Step 4: Rule out the others.
A staggered cut is the type of cut that leaves sticky ends, not the position. Restriction enzyme and nuclease are names of the enzymes, not the DNA site.
Step 5: Tie it together.
The question asks for a position on DNA, and only recognition sequence describes a position.
Step 6: Conclusion.
Therefore the correct answer is "Recognition sequence". \[ \boxed{\text{Recognition sequence}} \]