(a)[5]
Describe how a blood clot forms. Refer to the letters in Fig. 6.1 in your response.
(b)[2]
State why blood clotting is important.
(c(i))[1]
Define what is meant by phenotype.
(c(ii))[1]
State the name of the inheritance pattern shown by blood groups.
(c(iii))[2]
State the two possible genotypes of a person with phenotype blood group A.