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MBG*2400 Fundamentals of Plant and Animal Genetics final exam solution guide 2024 prep University of Guelph CA$21.15
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MBG*2400 Fundamentals of Plant and Animal Genetics final exam solution guide 2024 prep University of Guelph
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MBG*2400 Fundamentals of Plant and Animal Genetics final exam solution guide 2024 prep University of Guelph

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  • October 28, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • mbg2400
  • mbg2400 fundamentals of plant and animal genetics

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MBG*2400 Fundamentals of Plant and
Animal Genetics final exam solution guide
2024 prep University of Guelph



Researchers are studying an isolated wild population of Red Deer in New Zealand. The deer
farmer’s records showed that antler weight was averaging 4kg in males before the escape
(females didn’t grow antlers). Researchers were unable to determine the proportion of males
selected but did observe by collecting and weighing antlers shed by feral deer after 1
generation, the average weight had risen by 0.5kg. From some preliminary results for antler
weight, the researchers know that heritability is 0.25 and the phenotypic standard deviation
is 2.8571kg.
1. What was the proportions of males selection?
a. 70%
b. 56%
c. 20%
d. 14%

2. Suppose you calculate that 15% of males were selected (which is not the answer to
questions 1!), what is the weight of the lightest set of antlers that would have been
in the selected group?
a. 6.96 kg
b. 7.46 kg
c. 8.44 kg
d. 8.94 kg

3. When considering individual allele effects, dominance genetic variation requires….
a. Additive allele effects
b. Dominance allele effects
c. Interaction among loci
d. Environmental effects

4. The optimum recombination rate between marker and QTL for detecting the presence
of the QTL is...
a. Close to zero
b. Close to but less than ½
c. Equal to ½
d. More than ½

5. When investigating allele effects for a single locus, we can partition the genetic
variation into which of the following genetic components?

, a. Additive
b. Dominance
c. Additive and dominance
d. Additive, dominance, and interaction

6. If you want to select the best 25% of dairy cows for better milk quality which is
measured by lower somatic counts in their milk, which value of “i” do you
use?

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