‘fall back on'

jjshin

Senior Member
korean
Males disproportionately suffer from X chromosome problems because their body has nothing to ‘fall back on.’

I looked up ‘fall back on'
There are two definition.

1. depend on
2. be able to use in an emergency

Which one is correct?

Thanks in advance~
Lovely day
 
  • bibliolept

    Senior Member
    AE, Español
    In this case, the intended meaning is in all likelihood "be able to use in an emergency," I'd say. Men don't have an extra X chromosome, for the most part, as they have only one X chromosome along with one Y chromosome.
     

    Harry Batt

    Senior Member
    USA English
    Jjshin, when you are given several definitions for a word or expression, the correct one is the one that fits the context. Do you have the context for your question?
     
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