Question
Compare an ovum cell and a zygote.
Answer
| Characteristic | Ovum Cell | Zygote |
|---|---|---|
| Size | Large | Small |
| Chromosome Number | Haploid (e.g., 23 in humans) | Diploid (e.g., 46 in humans) |
| Production | Produced by females | Formed during fertilization |
| Mobility | Non-motile | Non-motile |
| Developmental Potential | Limited | Totipotent |
| Cell Division | No division until fertilization | Rapid mitotic division |
| Role in Reproduction | Stationary until fertilization | Initiates embryonic development |
| Genetic Contribution | Maternal genetic material | Combined genetic material from both parents |
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