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The specialized haploid cells necessary for sexual reproduction were absent.
Zygospores are created by the nuclear fusion of haploid cells.
In this way the haploid cells are supplied with all the products of a complete diploid genome.
In those species which reproduce sexually, haploid cells bud from the spores.
This way, the organism ends its diploid phase and produces several haploid cells.
In animals the haploid cell resulting from meiosis is a male or female gamete.
When conditions improve, these spores germinate to produce proliferating haploid cells.
A diploid cell may also undergo meiosis to produce haploid cells, usually four.
The cell divides twice, potentially producing up to four haploid cells containing one copy of each chromosome.
The zygote undergoes meiosis immediately, creating four haploid cells.
These cells divide mitotically to form either larger, multicellular individuals, or more haploid cells.
As the food supply fades, the plasmodium makes haploid cells by meiosis, and they form the basis of spores.
Haploid cells fuse and combine genetic material to create a diploid cell with paired chromosomes.
It's true, insofar as we need haploid cells to self-impregnate every cell in our bodies and, in a sense, continually give birth to ourselves.
Haploid cells cannot undergo meiosis.
Cells from the diploid individuals then undergo meiosis to produce haploid cells or gametes.
The haploid cells undergo a simple life cycle of mitosis and growth, and under conditions of high stress will, in general, die.
Haploid cells serve as gametes in multicellular organisms, fusing to form new diploid cells.
After (or before) germination of the cyst, the hatchling undergoes meiosis to produce new haploid cells.
When two haploid cells of opposite mating type fuse they can both contribute mitochondria to the resulting diploid offspring (1,8).
While this pollen tube is growing, a haploid cell travels down the tube behind the tube nucleus.
Polyploid cells have multiple copies of chromosomes and haploid cells have single copies.
This process of chromosomal crossover generally occurs during meiosis, a series of cell divisions that creates haploid cells.
Haploidisation is the process of halving the chromosomal content of a cell, creating a haploid cell.