Cette leçon contient 44 diapositives, avec quiz interactifs et diapositives de texte.
La durée de la leçon est: 50 min
Éléments de cette leçon
What is the gap between neurones called?
What hormone is released by the testes?
What is meant by extinction?
What is genetic engineering?
Syntax
Synapse
Adrenaline
Testosterone
No individuals in a species still alive
One or two individuals in a species still alive
Modifying the genome
Fixing the genome
Slide 1 - Question de remorquage
Slide 2 - Diapositive
Slide 3 - Diapositive
Slide 4 - Diapositive
What is the most important feature for corn?
Largest kernels
Most corn kernels
Sweetest kernels
Pest resistant
Slide 5 - Question de remorquage
Choose parents that show these characteristics and breed them
Breeding Zone
Slide 6 - Question de remorquage
Breed the best offspring with the desired phenotype to produce the next generation.
Breeding Zone
Slide 7 - Question de remorquage
Slide 8 - Diapositive
Slide 9 - Diapositive
Some cats are selectively bred so they do not cause allergies in people. Suggest two other reasons people may selectively breed cats.
Slide 10 - Question ouverte
Selective breeding could cause problems of inbreeding in cats. Describe one problem inbreeding causes.
Slide 11 - Question ouverte
Slide 12 - Diapositive
Different cats produce different amounts of Fel D1. A cat has been bred so that it does not produce Fel D1. Explain how the cat has been produced using selective breeding.
Slide 13 - Question ouverte
Slide 14 - Diapositive
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Slide 22 - Diapositive
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Slide 23 - Diapositive
Slide 24 - Diapositive
What is genetic engineering?
Slide 25 - Question ouverte
What do you call plants that have had their genome modified?
Slide 26 - Question ouverte
Explain how genetic engineering is different from selective breeding.
Slide 27 - Question ouverte
Why might people disagree with the use of organisms that have been genetically modified?