Selective Breeding

Question 1

What is selective breeding? - outline the steps

Answer 1

1. Select the organisms with the characteristics you want (e.g Sense of smell, muscle growth, body shape etc…)
2. Breed the organisms together
3. Select the offspring with the desired characteristic
4. Breed them together and select the best offspring again… then keep repeating

Question 2

What have animals been selectively bred for? - list the different characteristics.

Answer 2

Selective breeding is a process where we choose the characteristics we want in an animal.

Question 3

Why is selective breeding bad?

Answer 3

Future generations of selectively bred organisms will all share very similar genes. This could make some diseases more dangerous as all the organisms would be affected.

Question 4

Examples of selective breeding:

Answer 4

Natural selection and selective breeding can both produce changes in animals and plants.