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Cell Division Vocabulary Quiz Crossword
Down
:
1) exchange of corresponding segments between two homologous chromosomes; makes gene combinations in gametes
2) The creation of offspring by a single parent, without the participation of sperm and egg
3) The creation of offspring by the fusion of two haploid sex cells (gametes) forming a diploid zygote
6) The region of a chromosome where two sister chromatids are joined; it splits during anaphase
7) In a sexually reproducing organism, the division of a diploid cell into four haploid daughter cells in the gonads of the parents
11) The fourth stage of cell division, during which daughter nuclei form; usually occurs together with cytokinesis
14) The period in the eukaryotic cell cycle when the cell is not actually dividing
15) A threadlike, gene-carrying stucture found in the nucleus of all cells and most visible during mitosis and meiosis. These structures consist of DNA.
Across
:
4) The third stage of cell division, beginning when the centromeres divide and sister chromatids separate from each other
5) The first stage of cell division, during which duplicated chromosomes condense and the spindle forms and begins moving the chromosomes toward the center of the cell
8) A sex cell; a haploid egg or sperm
9) A particular site on a chromosome that is responsible for one trait
10) A cell containing a single set of chromosomes (n)
12) The division of a single nucleus into two genetically identical daughter nuclei.
13) The union of the nucleus of a sperm cell with the nucleus of an egg cell, producing a diploid zygote (n+n=2n)
16) A cell containing two homologous sets of chromosomes, one set inherited from each parent (2n)
17) One of the two identical parts of a duplicated chromosome in a eukaryotic cell; they are joined at the centromere of the chromosome.
18) The second phase of cell division; all the cell's duplicated chromosomes are lined up at the equator (center) of the cell
19) The two chromosomes that make up a matched pair in a diploid cell. They are the same length and possess genes One is inherited from the organisms father, the other from the mother
20) The division of the cytoplasm to form two separate daughter cells.
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