Selective Breeding

Question 1

What is another name for Selective breeding?

Answer 1

Artificial Selection

Question 2

Describe differences between the selective agent in artificial and natural selection

Answer 2

• Humans are selective agent in artificial selection
• Environment is selective agent in natural selection

Question 3

Describe 1st stage of Selective Breeding

Answer 3

Identify which organisms have the characteristic you want

Question 4

Describe 2nd stage of Selective breeding

Answer 4

Breed together those with the characteristic. Those without characteristic are not allowed to breed.

Question 5

Describe 3rd stage of Selective Breeding

Answer 5

Identify in the offspring, which have the characteristic and which don’t. Breed again only those with the characteristic.

Question 6

Describe 4th stage of selective breeding

Answer 6

Repeat

Question 7

Describe impacts of artificial selection on genetic diveristy

Answer 7

Reduces genetic diveristy

Question 8

How is genetic diversity reduced in artificial selection?

Answer 8

Only specific chosen alleles that express certain trait / characteristic are passed down

Question 9

What is another issue connected with selective breeding

In terms of who is being bred with who

Answer 9

Inbreeding

Question 10

What are the two impacts of inbreeding?

Answer 10

• Reduce genetic diversity
• Lead to greater risk of disease, simce disease allele may be inherited

Question 11

What type of animals does inbreeding mainly affect?

Answer 11

Mammals