Question

Adult human haemoglobin consist of
1. 2 non identical alpha subunits and 2 identical beta subunits
2. 2 identical alpha subunits and 2 non identiCal beta subunits
3. 2 non identical alpha subunits and 2 non identical beta subunits
4. 2 identical alpha subunits and 2 identical beta subunits​

Answer 1

Answer:

$4)adults \: have \: 2 \: \alpha \: and \: 2 \: \beta \\ thank \: you$