Selective Breeding Changed Dog Breeds

How did this happen? All our modern breeds of dog are descended from the wolf.

Problem! ,[object Object],[object Object],[object Object],[object Object]

Humans have changed the way dogs look and act by selecting which dogs to breed together. This is called Selective Breeding X Solution Bullmastiff Large, quick, and strong

[object Object],Notes Selective Breeding Using the text book and success guides, give examples of animals and plants that have been selectively bred by humans. How have they been ‘improved’?

Mutation ,[object Object],[object Object],[object Object],[object Object],[object Object],Notes

Down’s Syndrome Use the class books to describe the cause and effects of Down’s Syndrome. Notes

Amniocentesis Using the class books, and the diagram provided, produce an information sheet explaining to expectant parents the technique of amniocentesis. This should include: - the diagram - what is being sampled - how the sample will be taken - what the results will show Notes

Useful Mutations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],polyploid diploid diploid Notes

Mutagenic Agents ,[object Object],[object Object],Mutagenic agent Effect on cells Ionising radiation X-rays/ ultraviolet light Chemical mutagens (carcinogens) Notes

Summary Answer the questions on page 83 of the Success Guide in full sentences.

Selective Breeding Changed Dog Breeds

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Selective Breeding Changed Dog Breeds