Exam (elaborations)
FRST302 Quiz 2
- Course
- FRST302 (FRST302)
- Institution
- University Of British Columbia (UBC )
Exam of 21 pages for the course FRST302 at UBC (FRST302 Quiz 3)
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4/22/22, 1:56 PM FRST302 - Module 2 Quiz: FRST 302 201 2021W2 Forest GeneticsFRST302 - Module 2 Quiz
Due Feb 23 at 11:59pm Points 47 Questions 26
Available Feb 18 at 9am - Mar 18 at 11:59pm 29 days Time Limit None
Instructions
QUIZ INSTRUCTIONS
Please read all questions very carefully!
Please email me @ blaise.ratcliffe@ubc.ca IF:
You run into a technical error (e.g. question not showing up correctly).
You need clarification on a question.
This quiz was locked Mar 18 at 11:59pm.
Attempt History
Attempt Time Score
LATEST Attempt 1 5,678 minutes 33 out of 47 *
* Some questions not yet graded
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Score for this quiz: 33 out of 47 *
Submitted Feb 23 at 10:22pm
This attempt took 5,678 minutes.
Question 1 Not yet graded / 0 pts
We are taking this quiz under unusual (awful) circumstances. We're all in this
together. It is important that this exam is fair to all students, and that no student has
an unfair advantage.
With that in mind, please affirm the following:
https://canvas.ubc.ca/courses/84427/quizzes/434099 1/21
,4/22/22, 1:56 PM FRST302 - Module 2 Quiz: FRST 302 201 2021W2 Forest Genetics
I affirm that I will neither give assistance to, nor receive assistance from, another
student during this exam.
I also agree that I will not share, copy, or distribute the questions and answers
contained in this exam.
Please enter your name below and click 'next' to proceed.
Your Answer:
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Question 2 pts
Forest tree species typically show high measures of within-population genetic
diversity (e.g., heterozygosity) and low levels of among-population genetic diversity
(e.g., FST).
Which of the following life-history traits might influence these two factors?
Large and continuous geographic ranges
Wind seed dispersal mechanisms
Animal seed dispersal mechanisms
Wind pollination mechanisms
Question 3 pts
Why was the mutation of the sickle cell allele (HbS) not eliminated from the human
'gene pool'?
HbS - sickle cell
HbA - non-sickle cell
https://canvas.ubc.ca/courses/84427/quizzes/434099 2/21
, 4/22/22, 1:56 PM FRST302 - Module 2 Quiz: FRST 302 201 2021W2 Forest Genetics
Because when an individual has the homozygote genotype (HbS/HbS) it is fatal.
Because when an individual has the homozygote genotype (HbA/HbA) it means that
the person has protection against malaria.
Because when an individual has the homozygote genotype (HbA/HbA) there is no
advantage conferred to the individual.
Because when an individual has the heterozygote genotype (HbA/HbS) it confers no
advantage to the individual.
Because when an individual has the heterozygote genotype (HbA/HbS) it confers
resistance to malaria.
Question 4 pts
Which statements are true regarding genetic variation from an evolutionary
standpoint?
It is an important factor of evolution as it allows natural selection to increase or
decrease frequency of alleles in a population.
If all individuals of a population were genetically homogenous, the entire population
could be vulnerable to new biotic disturbances.
It permits flexibility and survival of a population in the face of changing environmental
circumstances
https://canvas.ubc.ca/courses/84427/quizzes/434099 3/21
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