Read the following statements.
(i) In haplo-diploid sex-determination system, the males do not have father and thus cannot have sons, but have a grandfather and can have grandsons
(ii) In honey bee, workers are developed by the unfertilized eggs by means of parthenogenesis
(iii) In human skin colour, the effect of each allele is additive
(iv) In XO type of sex-determination, male have half number of chromosome than the female
Select the incorrect statements.

Options

A. i, iii
B. ii, iii
C. ii, iv
D. i, iv

Answer

C

Explanation

• In honey bee, males are developed by the unfertilized egg by means of parthenogenesis.
• In haplo-diploid type of sex determination, male have half number of chromosome than the female.