At fertilization, a haploid cell will combine with another haploid cell. sperm and ova cells, which are employed in sexual reproduction (also known as Gametes).
The homologous chromosomes couple up and the nuclei of the two cells fuse when a haploid egg cell merges with a haploid sperm cell. A zygote, which is a diploid cell, is the product of this merger. As an illustration, consider the fusion of a human egg with 23 chromosomes and a sperm cell with 23 chromosomes. A zygote with 46 chromosomes is created when these chromosomes join together.
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