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  1. #1
    sofiapwn is offline Newbie
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    Comma question

    Hello!
    Another comma question...

    Would you add a comma to this sentence?

    Dr. Smith successfully established the in vitro culture of Trillium microsporocytes and successfully analyzed their meiotic events using both cytogenetic and biochemical approaches.

  2. #2
    GoesStation is offline Moderator
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    Re: Comma question

    No. It's fine as it is.
    I am not a teacher.

  3. #3
    Rover_KE is online now Moderator
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    Re: Comma question

    sofiapwn, we always want you to tell us the source and author of any text you quote.

    Why do you think the sentence needs a comma?

  4. #4
    Charlie Bernstein's Avatar
    Charlie Bernstein is online now VIP Member
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    Re: Comma question

    Quote Originally Posted by sofiapwn View Post
    Hello!
    Another comma question...

    Would you add a comma to this sentence?

    Dr. Smith successfully established the in vitro culture of Trillium microsporocytes and successfully analyzed their meiotic events using both cytogenetic and biochemical approaches.
    That sentence has a series of two items. Dr. Smith did two things:

    1. established the in vitro culture.

    2. analyzed their meiotic events.

    We only use commas in series of more than two:

    - a cat and a canary (two items: no comma)
    - a cat, a canary, and a hyena (three items: two commas)

    So what about the last phrase: using . . . both approaches? Should a comma be before it?

    The answer depends on whether the doctor used both approaches for #1 and #2 or only #2. If he used them for both #1 and #2, then a comma would be needed. But if he only used them for #2, then it's correct as written.

    I'll assume that it is.
    I'm not a teacher. I speak American English. I've tutored writing at the University of Southern Maine and have done a good deal of copy editing and writing, occasionally for publication.

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