Question

please solve this .... don't spam​

Answer 1

Answer:

1st one it is - - -

2nd one it is + - -

3rd it is - + -

4 th it is + + +

Explanation:

i it has no antigen

ii it has antigen A

iii it has antigen B

iv it has antigen AB

Answer 2

Answer:

She is rightfully.

Explanation:

Good explanation