Which of the following is a consequence of inbreeding?
Increased yield and increased disease resistance
Decreased yield and decreased size
Decreased yield and increased size
By what means can new alleles be introduced to a plant cultivar that is beginning to show inbreeding depression?
Test cross
Crossbreeding
Inbreeding
What is the minimum number of replicates that should be used in a plant field trial?
One
Two
Three
How many treatments should be investigated in a plant field trial?
What result would inserting the Bt toxin gene into plants have?
They would have greater tolerance of drought
They would have greater tolerance of herbicide
They would have greater resistance to pests