Chromosomal number is reduced to half in the daughter cells produced by meiosis. What happens if the number is not reduced

Chromosomal number is reduced to half in the daughter cells produced by meiosis. What happens if the number is not reduced to half in daughter cells ?
A. 1) If the reduction of chromosomes number is not done, the chromosomal number is doubled in the offsprings. .
2) The change in chromosomal number changes completely the characters in the individual.
3) The offspring differs to parental generation.
4) Abnormal characters will be formed in new generation, which are not useful for the existence of individual.