The selection differential for a particular trait can be accurately defined as the difference
between the selected animals to be parents and:
A. the average of that particular breed of animals.
B. the average of all animals available for selection within the herd or flock.
C. that portion of the difference in performance passed on to the next generation.
Question 2
If a trait is low in heritability, the environment often masks the genotype, making it
more difficult to select herd or flock replacements with confidence that genetic progress
will be made.
A. True B. False
A family pedigree of a dominant trait
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Positive and negative selection during T-cell development.
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Stabilizing selection eliminates extreme forms of a trait