Variation and Inheritance

What is the purpose of selective breeding?

• Get bigger animals

• Get smaller animals

• Create animals with desirable traits

• Create animals with bad traits

All of the following statements are reasons for selective breeding except:

• Produce offspring with desirable characteristics

• Farmers increase their profit by improving crops

• To improve the quality of food products

• To increase migration patterns

A farmer has bred his pineapple plants from the sweetest pineapples from his last harvest to get even sweeter pineapple plants. What is this an example of?

• Variation by environment

• Selective breeding

• Extinction

• Inheritance

What is one of the processes involved in selective breeding?

• allowing organisms to reproduce without interference

• choosing individuals with desirable characteristics to be parents of the next generation

Use the following table to answer the next question. A farmer wants to grow extra-large, sweet oranges.  Which plants should the farmer select to cross to get the desired set of characteristics?

• 1 and 2

• 2 and 4

• 1 and 3

• 4 and 5

Which is another term for selective breeding?

• Artificial Selection

• Natural Selection

• Intelligent Selection

• Selection

What are the problems with selective breeding?

• Better animals

• More Meat

• Animals can have bad health problems

• More diversity

Use the following table to answer the next question. A family visited a dog breeder and requested a puppy that had short fur and was friendly and lovable.  Which dogs should the breeder select to be the parents of the requested puppy?

• 1 and 2

• 1 and 4

• 2 and 3

• 2 and 4