What is haploid in Biology? Md. Saifur Rahman In meiosis, the number of chromosomes becomes half in the daughter cells than that of the mother cell, then the feature of possessing half number of chromosomes is called haploid. You may like:What is the meaning of an amitosis cell division?What is haploid in Biology?What is zygote in Biology?What is meiosis cell division?What is crossing over?