Weird Genetics

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Weird Genetics

description

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. http://www.accessexcellence.org/. Natural Mutations. These are not albinos; they have pigmented eyes. - PowerPoint PPT Presentation

Transcript of Weird Genetics

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Weird Genetics

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Mutations

http://www.accessexcellence.org/

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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White Bengal Tiger

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ALBINOS

• 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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HUMAN INTERVENTION

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SELECTIVE BREEDING

The selection of certain seeds or animals for

reproduction in order to influence the traits inherited

by the next generation.

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SELECTIVE BREEDING

• 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 of breeding

a female Horse and a male Zebra.

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

male Zebra.

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     Geep - These are the result of a sheep

and a goat.

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The Mule is the result of breeding a female horse(mare) to a male donkey (jack). The

mule is superior to the horse in strength,endurance, intelligence and disease resistance.

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GENETIC ENGINEERING

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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French genetic researchers created Alba for artist Eduardo Kac. Thanks to genes borrowed from a jellyfish, the albino rabbit glows green when placed under special lighting. In regular light, Alba appears like any other furry white rabbit. But place her under a black light, and her eyes, whiskers and fur glow a otherworldly green.

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"Glow in the dark" fish. these genetically modified fish were developed by a Taiwanese aquatic firm, Taikong Group. They are planning to reproduce these fish in numbers and sell them for pets.

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http://www.fluorescentpets.com/index.htm

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Scientists in the agriculture department of the Hebrew University inRehovot have genetically engineered a chicken that has no feathers.