question_answer

Look at the following pedigree chart. On what basis the trait represented by the solid symbols in the pedigree below cannot be explained ?

(i)  A dominant sex linked gene

(ii) A recessive sex linked gene

(iii) A holandric gene

(iv) A sex limited autosomal dominant

(v) A sex limited autosomal recessive

(vi) A sex influenced autosonal gene dominat in males

(vii) A sex influenced autosomal gene recessive in males

A) (i), (ii), (iv) and (vii)

B) (i), (iii) and (vii)

C) (ii), (iv) and (vi)

D) (i), (iii), (v) and (vii)