Polyploid cells and organisms are those containing more than two paired ( homologous) sets of. Unlike animals, plants and multicellular algae have life cycles with two alternating multicellular. .. Cells of eukaryotes, including those of animals, plants, fungi, and protists, divide. Mitosis and meiosis occur in the nuclear region of the cell, where all the cell's . CELL DIVISION: MEIOSIS AND SEXUAL REPRODUCTION in a cell. Gregor Mendel determined his peas had two sets of alleles, one from each parent.. Human beings (except for their gametes), most animals and many plants are diploid.The mechanism of cell division both mitosis and meiosis. And Cell Cycle. .. MEIOSIS. Plants like ferns and sweet pea reproduce by spores and gametes. Higher . This type of cell division is found mainly unicellular, prokaryotic plants e.g. cynobacteria,. . and chromatids during each phase in a pea (Pisum sativum) cell is:-. In lower plants, meiosis takes place in the zygote, this type of meiosis is known . When the chromosomes start to appear in early stages of mitosis, each chromosome is. In a mature pea plant, every cell contains the diploid number of 14. In plants, the immediate products of meiosis are single, haploid cells called spores.Diploid sporophyte cells undergo meiosis to produce haploid spores. Each spore. Plants have haplodiplontic life cycles that involve mitotic divisions (resulting in multicellularity. Life cycle of an angiosperm, represented here by a pea plant ( . For example, the pea cell contains two sets of seven chromosomes, so 2n = 14.. All types of plants show alternation of generations; however, the haploid stage of. Fusion of haploid gametes forms a diploid zygote, which, through mitosis,. Meiosis in a diploid cell of genotype A/a ; B/b, showing how the segregation and  . Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of. … B) The diploid number of chromosomes in the pea plants was 7. C) All of the .
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