Individuals having Rh antigen are called |
|||
a) |
Rh negative (Rh – ve) |
b) |
Rh positive (Rh + ve) |
c) |
Rh ( ) |
d) |
Rhesus positive |
Individuals having Rh antigen are called |
|||
a) |
Rh negative (Rh – ve) |
b) |
Rh positive (Rh + ve) |
c) |
Rh ( ) |
d) |
Rhesus positive |
(b)
Rh positive (+ ve).
Blood platelets occur only in mammals. They are non-nucleated, round or oval biconvex and bud from megakaryocytes. They are much smaller than RBC. Blood platelets are the source of thromboplastin, necessary for blood clotting