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Sex Chromosomes

Sex Chromosomes. Sex Chromosomes. Determines the sex of the individual Female has two identical X chromosomes (XX) Male has dissimilar chromosomes One X and one Y (XY). Autosomes. Chromosomes that are not sex chromosomes Have no effect on determining the sex of the individual

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Sex Chromosomes

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  1. Sex Chromosomes

  2. Sex Chromosomes • Determines the sex of the individual • Female has two identical X chromosomes (XX) • Male has dissimilar chromosomes • One X and one Y (XY)

  3. Autosomes • Chromosomes that are not sex chromosomes • Have no effect on determining the sex of the individual • How many pairs of autosomes do humans have?

  4. Sex Determination • Which parent is responsible for determining the sex of the offspring? • The father because he has both the X and the Y chromosomes

  5. Genes on Sex Chromosomes • Genes located on sex chromosomes are sex-linked • What are some traits that are sex-linked?

  6. Sex-Linked Traits • Colorblindness • Hemophilia • Muscular Dystrophy

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