bio 7-variation and evolution

Question 1

process of selective breeding when trying to get rid of undesired trait-(salmon with sea lice)

Answer 1

select fish that have less sea ice and breed together

select offspring with the least sea lice and breed together

repeat over many generations until all offspring do not have sea ice

Question 2

advantages of selective breeding

Answer 2

-higher yields
-new varieties
-enhanced animal characteristics
-disease resistant

Question 3

disadvantages of selective breeding

Answer 3

all fish genetically similar
lack of variation to survive environmental changes
may all have the inherited disorder