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DNA Technology : Cloning

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1 DNA Technology : Cloning
Prepare your notebook for Cornell Notes

2 Warm up 1/8/18 Coat color in mice varies greatly, ranging from black to grizzly gray, black-and-white, spotted or white. The nucleus from a body cell of a grizzly-gray mouse is fused with an egg from a black mouse from which the nucleus has been removed. The egg begins to divide and is then transplanted into a female white mouse. Circle what will be the most likely coat color of the offspring. Black Black with white spots Grizzly gray White Explain you reasoning.

3 Click & Clone Lab QUICKWRITE:
In your on words explain the process of the click and clone lab demonstration. What were the steps? What was the purpose? What was created? How?

4 Genetic engineering: Cloning
Cloning - producing genetically IDENTICAL organisms Begin and end with the same number of chromosomes. Begin and end with the same type of genes.

5 Cloning animals: Dolly the sheep
First mammal to be cloned from a somatic (BODY) cell (taken from the udder) Other species cloned: horses, bulls, cows, pigs, and mice.

6 Cloning Steps

7 Learning check Tissue taken from a black mouse was enucleated. The resulting nuclei were then put inside the enucleated egg from a white mouse. What color would the baby mice be?

8 Learning check Tissue taken from a black mouse was enucleated. The resulting nuclei were then put inside the enucleated egg from a white mouse. What color would the baby mice be? BLACK

9 Learning check Monozygotic (identical) twins are formed from a fertilized embryo splitting into 2 separate masses during development. Is this the same as cloning?

10 Learning check Monozygotic (identical) twins are formed from a fertilized embryo splitting into 2 separate masses during development. Is this the same as cloning? No, when twins form they are splitting a developing organism. Cloning involves placing DNA from another organism into an empty egg.

11 Learning check What is cloning?

12 Learning check What is cloning? A process involving placing DNA (nucleus) from a body cell of another organism, the nuclear donor, into an empty egg cell.


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