Prelim 1999 - ANIMAL SCIENCE 221 2nd Prelim April 1999 View the answers Part 1(Each answer is worth 1 point 1 1 Selection changes allele

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ANIMAL SCIENCE 221 2 nd Prelim April, 1999 View the answers Part 1 . (Each answer is worth 1 point). 1. 1. Selection changes allele frequencies. In most cases, selection will act to fix an allele in the population; the exception is for ______________________ where an equilibrium frequency is obtained. 2. 2. Progeny tests to detect recessive alleles in a suspected carrier using matings of the suspect to daughters of a known carrier and matings of the suspect back to its own progeny have the same q in mates. The advantage of the parent-offspring mating is that it ______________________ and the disadvantage is it ______________________ . 3. 3. The frequency of A -> a in a population is a function of ______________________ and ______________________. 4. 4. One-half the breeding value is the ______________________ and the difference between two BV's of individuals that differ in their genotype by BB versus Bb (or Bb versus bb) is referred to as ______________________. 5.
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This test prep was uploaded on 03/31/2008 for the course AN SC 221 taught by Professor Pollak,ej during the Spring '07 term at Cornell University (Engineering School).

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Prelim 1999 - ANIMAL SCIENCE 221 2nd Prelim April 1999 View the answers Part 1(Each answer is worth 1 point 1 1 Selection changes allele

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