Which among the following statement is correct about sickle-cell anaemia and thalassemia ?

All of these .

The correct statement among the options provided about sickle-cell anaemia and thalassemia is:All of these

Both are autosome-linked recessive blood disease transmitted from parents to the offspring when both the partners are unaffected carrier for the gene (or heterozygous .

Thalassemia is a quantitative problem of synthesising too few globin molecules whereas Sickle-cell anaemia is a qualitative problem of synthesising an incorrectly functioning globin.