Weird Genetics - PowerPoint PPT Presentation

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Weird Genetics. Mutations. A change in genetic information. Can occur randomly (naturally) Or can be deliberately caused in the laboratory by scientists Inherited Not always harmful. Natural Mutations. These are not albinos; they have pigmented eyes.

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Weird Genetics

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Weird genetics l.jpg

Weird Genetics

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A change in genetic information

  • Can occur randomly (naturally)

  • Or can be deliberately caused in the laboratory by scientists

  • Inherited

  • Not always harmful

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Natural Mutations

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These are not albinos; they have pigmented eyes.

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White Bengal Tiger

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  • Little or no pigmentation in the eyes, skin, and hair (or in some cases in the eyes alone).

  • Inherited an altered copy of a gene that does not work correctly.

  • The altered gene does not allow the body to make the usual amounts of a pigment called "melanin".

  • True albinos have pink eyes and skin.

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White Bluebonnets

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Pink Bluebonnets

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The selection of certain seeds or animals for reproduction in order to influence the traits inherited by the next generation.

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  • The Liger is the result of breeding a female Tiger to a male Lion.

  • The liger has both stripes and spots. The stripes are inherited from its tiger parent and the spots from the lion parent.

  • On their hind legs, ligers stand approximately 12 feet tall. At most, ligers may weigh up to 1,000 pounds.

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The Cama is the result of breeding a Llama to a Camel.Parents in background of picture.

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The Zebroid is the result ofbreedinga female Horse and a male Zebra.

The Zedonk / Zonkey is the result of breeding a female Donkey and male Zebra.

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The Mule is the result of breeding a female horse(mare) to a male donkey (jack). Themule is superior to the horse in strength,endurance, intelligence and disease resistance.

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Maroon & Red Bluebonnets

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The selective, deliberate change of genes (genetic material) by man.

The technique of removing, modifying or adding genes to a DNA molecule in order to change the information it contains.

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Bright face of genetically modified corn plant: pest-infected non-GM (left) and pest-free GM plant (right) planted side-by-side in a field trial. (photo: Dr. Yu Jialin, China Agricultural University)

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