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Meiosis

Meiosis-Sexual Reproduction

QuestionAnswer
Metaphase 1 During Metaphase 1, spindle fibers attach to the chromosomes. The homologous chromosomes align at the equator of the cell.
Name the different phases of Meiosis 2 in order. Prophase 2, Metaphase 2, Anaphase 2, Telophase 2, and Cytokinesis
Gametes Gametes are egg and sperm.
What is the production of egg cells called? Oogenesis
What is a diploid number and what is a haploid number? A diploid number is a term used to a cell that contains both sets of homologous chromosomes. A haploid cell that contains only a single set of chromosomes.
Name the different phases of Meiosis 2 in order. Prophase 2, Metaphase 2, Anaphase 2, Telophase 2, and Cytokinesis
Prophase 1 During Prophase 1, each chromosome pairs with its corresponding homologous chromosome to form a tetrad.
Metaphase 1 During Metaphase 1, spindle fibers attach to the chromosomes. The homologous chromosomes align at the equator of the cell.
Tetrads Tetrads are the two homologous chromosomes that are attached together. Also called synapsis.
Anaphase 1 During Anaphase 1, the fibers pull the homologus chromosomes toward opposite ends of the cell
Telophase 1 During Telophase 1, nuclear membranes form, and the the cell separates into two genetically different cells.
Prophase 2 Nuclear envelope fragments, and the spindle forms.
Metaphase 2 Chromosomes align along the equator of the cell.
Anaphase 2 Sister chromatids separate and move to opp. poles of the cell.
Telophase 2 The nuclear envelope assembles ad chromosomes de-condenses and the spindle disappears.
Cytokinesis divides the cell into two, resulting into four haploid daughter cells
Homologous A term used to refer to chromosomes that each have a corresponding chromosome from the opposite sex parent
Chromatids A chromatid is one of the two identical sister parts of a duplicated chromosome.
Alleles One of the numbers of the different forms of a genes.
Somatic Cells Body Cells
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