IntroBio-08- Cell cycle and cell division

IntroBio-08- Cell cycle and cell division - Cell cycle and...

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Cell cycle and cell division 1
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Genetics Scientific study of heredity Study of genes through their variation 2
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Heredity Genetic transmission of characteristics from parent to offspring Biological similarity between parents and offspring 3
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Trait Genetically inherited characteristic of an organism Specific property of an organism 4
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Gene Fundamental physical and functional unit of heredity Segment of DNA located in a specific site on a chromosome 5
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DNA (deoxyribonucleic acid) Biological molecule that encodes genetic information Allows transmission of genetic information from one generation to the next 7
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DNA molecule 8
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Chromatin A complex of uncondensed DNA and protein in eukaryotic cells 9
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Chromosomes A complex of condensed DNA and protein in eukaryotic cells 10
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Centromere Constricted part of the chromosome Attachment point for the spindle fibers during mitosis/meiosis 14
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Chromatid One of 2 duplicated chromosomes connected at the centromere 15
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Chromosome one chromosome (unduplicated ) one chromosome (duplicated) 16
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Chromosome 17
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Somatic cell (cell of the body) - all cells other than gametes Gamete - mature male or female reproductive cell (ovum or sperm) 19
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Autosomal chromosomes Not directly involved in determining the sex of an individual Humans: 1 - 22 20
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Sex chromosomes Directly involved in determining the sex of an individual Female: XX Male: XY 21
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Homologous chromosomes Identical in length, shape, and gene order 22
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IntroBio-08- Cell cycle and cell division - Cell cycle and...

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