Nuclear division process that halves the chromosome number. basis of sexual reproduction
nuclear division mechanism that maintains the chromosome number. Basis of body growth,tissue repair and replacement in multicelled eukaryotes; also asexual reproduction in some plants, animals, fungi, and protists
a series of events from the times a cell forms until its cytoplasm divides
refers to the two members of a pair of chromosomes with the same length, shape and genes
in a eukaryotic cell cycle, the interval between mitotic divisions when a cell grows, roughly doubles the number of its cytoplasmic components, and replicates its DNA
stage of mitosis in which sister chromatids seperate andmove to opposite spindle poles
stage of mitosis during which the cell's chromosomes align midway between the poles of the spindle
stage of mitosis in which chromosomes condense and become attatched to a newly froming spindle
dynamically assembled and disassembled array of microtublesthat moves chromosomes during nuclear division
stage of mitosis during which chromosomes arrice at the spindle poles and decondense, and new nuclei form
reproductive mode by which offspring arise from one parent and inheriet that one parents genes only
after nuclear division in a plant cell, a disk shaped structure that forms a cross-wall between the two new nucllei
in a dividing animal cell, the indentation where cytoplasmic division will occur
a genetically identical copy of an organism
a thin band of actin and myosin filaments that wraps around the midsection of an animal dell. During cytoplasmic division , the band contracts and pinches the cytoplasm in two
forms of a gene that encode slightly different versions of the genes product
fusion of a sperm nucleus and an egg nucleus, the result being a single-celled zygote
mature, haploid reprosuctive cell
having one of each type of chromosome characteristic of the species
reproductive mode by which offspring arise from two parents and inherit genes from both.
cell formed by fusion of gamtes; first cell of a new individual
process in which homologous chromosomes exchange corresponding segments during meiosis
mature female gamete, or ovum
a haploid, multicelled body in which gametes form during the life cycle of plants
diploid, spore-producing body of a plant
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