Hal_Al
Level 15

Deductions & credits

Any other person is considered to have lived with you for all
of 2016 if the person was born or died in 2016 and your home
was this person's home for the entire time he or she was alive in
2016. Reference: <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-pdf/i1040gi.pdf">https://www.irs.gov/pub/irs-pdf/i1040gi.pdf</a> (page 19)

Since there is no check box for that circumstance, in TurboTax, the user has to know to select "all year". and the Turbotax instructions say that.