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Exploring the Fascinating World of Human Genetics

Uncover the intricate details of human genetics, from the diversity in genome sizes to the significance of blood types and the causes of genetic diseases. Learn about sex chromosomes, genetic mutations, and hereditary traits that shape our health and identity. Dive into the complexities of Punnett Squares and the mysteries of DNA, unraveling the essence of what truly makes us unique individuals in the vast spectrum of genetics.

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Exploring the Fascinating World of Human Genetics

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  1. Potpourri of Human Genetics

  2. Genome • The entire hereditary information of an organism encoded in the DNA. • 3,200,000,000 base pairs in the Human Genome. • Fish have 130,000,000,000 base pairs • e. Coli have 4,600,000 base pairs • Honeybee has 236,000,000 base pairs

  3. Human Blood Types • Human Blood Alleles: A, B, O • Co-dominant Alleles: A and B • Recessive Alleles: O http://www.redcrossblood.org/learn-about-blood/blood-types

  4. Causes of Genetic Diseases • Mutations- random, spontaneous change in the DNA • Sex-Linked- disease passed to next generation through sex chromosomes • Deletion-Part of the chromosome is missing • Translocation- Part of a chromosome gets transferred from one part to another. http://www.youtube.com/watch?feature=player_detailpage&v=2CsgXHdWqVs Cri du Chat

  5. Sex Chromosomes • Female Chromosomes: XX • Male Chromosomes: XY • Gender is Determined by: Male

  6. Sex-Linked Traits • Carried on the: Sex Chromosomes • Examples: Red-green Color blindness, Hemophilia, Male Pattern Baldness, Duchenne Muscular Dystrophy

  7. Hemophilia • Punnett Squares

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