I wimped out in answering this question, dropping the commas and going to parentheses in this sentence, because I was not sure of the placement/correctness of commas in this construction. Now I'd like ...
Suppose I have the following sentences: There should be an X and a Y chromosome. There should be an X and a Y chromosomes. Is the second grammatically correct? If the last word had to be plural for ...
How are phrases with the same words joined by the conjunctions "and" and "or" to avoid repeating the same ones? If I intend to say sentence 1 below, which of sentences 2 to 5 has/have the same ...