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Ch. 5-7 Vocabulary

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Across
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Form of nuclear division that divides a diploid cell into haploid cells
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An exchange of chromosome segments between homologous chromosomes during meiosis 1.
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A Specialized cell involve in sexual reproduction
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The cytoplasm divides, pinching off in the center forming two new daughter cells
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The scientific study of heredity
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Process by which unspecialized cells develop into their mature form and function
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Characteristic of having two identical alleles for a trait at the same locus of sister chromatids
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Sequence of DNA that codes for a protein and thus determines a trait
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A Cell that contains only one copy of each chromosome
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Each chromosome separates into two identical single stranded chromatids
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The cell has grown, new organelles have formed and DNA has been replicated in the nucleus
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Traits that are produced by two or more genes
Down
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Programmed cell death
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Asexual reproduction in which a cell divides into two equal parts
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Term used to refer to a cell that has two copies of each chromosome, one from an egg and one from a sperm.
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Ssubstance that produces or promotes the development of cancer
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Chromosomes that have the same length, appearance, and copies of genes, although the alleles may be different
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Ccharacteristic of having two different alleles for a trait at the same locus of sister chromatids
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A Collection of all an organisms genetic information that codes for traits
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Any of the alternate forms of a gene that occurs at a specific place on a chromosome
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Heterozygous genotype that equally expresses the traits from both alleles
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A Collection of an organisms physical characteristics
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Process by which a cell divides the nucleus and contents