Selective breeding

Question 1

What is selective breeding?

Answer 1

• Choosing the best plants/aimals from a popluation and breeding them together in hopes of getting better offspring

Question 2

Explain the process of selective breeding

Answer 2

• Organisms with most desired traits are chosen carefully and bred together
• Offspring with most desired traits are chosen and bred together
• Repeated over many generations
• All organisms in population posses high value of desired trait

Question 3

What is the gene pool?

Answer 3

• All of the genes and alleles found in a popluation

Question 4

What are the disadvantages of selective breeding?

Answer 4

• Reduces gene pool: best individuals are closely related which leads to inbreeding. Inbred organisms more pron to disease or inhereted defects
• Reduces genetic variation: population is more susceptible to disease. A disease could kill all organisms in a population