Bio 182 exam 2 questions Study guides, Class notes & Summaries
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BIO 182 Exam 2 Questions With 100% Correct Answers 2024
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BIO 182 Exam 2 Questions With 100% Correct Answers 2024
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BIO 182 Exam 2 Questions & Answers 2023
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BIO 182 Exam 2 Questions & Answers 2023 
 
In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short 
plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? 
a. 1⁄8 
b. 1⁄4 
c. 1⁄3 
d. 2⁄3 
e. 1⁄2 
e. 1⁄2 
The phenotype of an individual 
a. depends at least in part on the genotype. 
b. is either homozygous or heterozygous. 
c. determines the genotype. 
d. is the ge...
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BIO 182 Exam 2 Questions And Answers 100%
- Exam (elaborations) • 13 pages • 2023
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BIO 182 Exam 2 Questions And Answers 100% 
 
How many modes of selection are there? 
3 
What are the modes of selection? 
Stabilizing selection, directional selection, and disruptive selection 
Stabilizing Selection 
The mean of the trait remains similar over time but the standard deviation decreases 
Directional Selection 
The mean phenotype shifts in a particular direction 
Disruptive Selection 
The standard deviation of the trait increases as individuals with the mean value disappear. 
Stabil...
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BIO 182 Exam 2 Questions and Answers All Correct
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BIO 182 Exam 2 Questions and Answers All Correct 
The respiratory system of which of the following organisms relies on air sacs to move air through the lungs? 
 
birds 
mammals 
fish 
amphibians 
reptiles - Answer-birds 
 
Which of the following statements is true regarding respiration in mammals? 
Select all that apply. 
 
A. Air moves in a unidirectional fashion through the lungs. 
B. Gas exchange occurs in the bronchioles. 
C. Gas exchange occurs in the alveoli. 
D. Respiration depends on ch...
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BIO 182 Exam 2 Questions and Answers All Correct
- Exam (elaborations) • 11 pages • 2024
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BIO 182 Exam 2 Questions 
and Answers All Correct 
 
The respiratory system of which of the following organisms relies on air sacs to move air 
through the lungs? 
birds 
mammals 
fish 
amphibians 
reptiles - Answer-birds 
Which of the following statements is true regarding respiration in mammals? 
Select all that apply. 
A. Air moves in a unidirectional fashion through the lungs. 
B. Gas exchange occurs in the bronchioles. 
C. Gas exchange occurs in the alveoli. 
D. Respiration depends on chang...
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ASU BIO 182 Exam 2 Questions And Answers
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ASU BIO 182 Exam 2 Questions And Answers 
 
 
Head in the Clouds 
 
Giraffes are the tallest animals on land. An adult giraffe has a neck that exceeds 2 m in length. This neck enables a giraffe to access food that other animals cannot reach and detect predators from a long distance. Studies have shown that giraffes will browse trees at heights that other herbivores cannot reach. The water and nutrients gained from leaves enhance a giraffe's fitness by increasing survival and reproduction. Howev...
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BIO 182 Exam 2 Questions with Correct Answers
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
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BIO 182 Exam 2 Questions 
with Correct Answers 
 
In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short 
plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of 
the F2 generation are both tall and heterozygous? 
a. 1⁄8 
b. 1⁄4 
c. 1⁄3 
d. 2⁄3 
e. 1⁄2 - Answer-e. 1⁄2 
The phenotype of an individual 
a. depends at least in part on the genotype. 
b. is either homozygous or heterozygous. 
c. determines the genotyp...
-
BIO 182 Exam 2 Questions And Answers 100%
- Exam (elaborations) • 13 pages • 2023
-
- $11.49
- + learn more
BIO 182 Exam 2 Questions And Answers 100% 
 
How many modes of selection are there? 
3 
What are the modes of selection? 
Stabilizing selection, directional selection, and disruptive selection 
Stabilizing Selection 
The mean of the trait remains similar over time but the standard deviation decreases 
Directional Selection 
The mean phenotype shifts in a particular direction 
Disruptive Selection 
The standard deviation of the trait increases as individuals with the mean value disappear. 
Stabil...
-
BIO 182 Exam 2 Questions and Answers All Correct
- Exam (elaborations) • 11 pages • 2024
- Available in package deal
-
- $13.99
- + learn more
BIO 182 Exam 2 Questions and Answers All Correct 
The respiratory system of which of the following organisms relies on air sacs to move air through the lungs? 
 
birds mammals fish amphibians 
reptiles - Answer-birds 
 
Which of the following statements is true regarding respiration in mammals? Select all that apply. 
 
A. Air moves in a unidirectional fashion through the lungs. B. Gas exchange occurs in the bronchioles. 
C.	Gas exchange occurs in the alveoli. 
D.	Respiration depends on changes ...
-
BIO 182 Exam 2 Questions with Correct Answers
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
-
- $12.99
- + learn more
BIO 182 Exam 2 Questions with Correct Answers 
In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? 
a. 1⁄8 b. 1⁄4 c. 1⁄3 d. 2⁄3 
e. 1⁄2 - Answer-e. 1⁄2 
 
The phenotype of an individual 
a. depends at least in part on the genotype. b. is either homozygous or heterozygous. c. determines the genotype. 
d. i...
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