AGB-0067
QUESTION
The ratio of selection differential to the phenotypic standard deviation of a trait is know as?
OPTIONS
(A) Intensity of selection
(B) Response to selection
(C) Accuracy of selection
(D) Limit of selection
ANSWER
(A) Intensity of selection
EXPLANATION
Selection intensity is the selection differential divided by the phenotypic standard deviation of the trait. Response to selection is the actual change in the population mean, accuracy measures the correlation between predicted and true breeding value, and the limit of selection refers to the plateau reached after prolonged selection.