Eye colour in fruitfly is a sex-linked trait and the cross between white-eyed female and red-eyed male gives red-eyed females and white-eyed males. Rarely, this cross may give all white-eyed Females and red-eyed males, this was found to be due to
A. loss of sex chromosome
B. Non-disjunction of two Z-chromosomes in female fly
C. Mutation in femle fly
D. Mutation in male fly
