BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 31, Problem 19CTQ
Describe the main differences between a mineral soil and an organic soil.
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FLORES DIology Second Semester Review
7. Chi Square Analysis: wild dumpy male x ebony wild female
F1:
All wild wild
F2:
142 wild wild males
52 wild ebony males
46 dumpy wild males
17 dumpy ebony males
151 wild wild females
47 wild ebony females
51 dumpy wild females
8 dumpy ebony females
What pattern of inheritance is observed for body color?
Autosomal recessive
Autosomal dominant
Sex-linked recessive
Sex-linked dominant
What are the genotypes of the parents in the P generation?
a.
XBYdd x XbXbDD
b. Bbdd x bbDd
c. BBdd x bbDD
d. BBX Y x bbXDY
How many flies in the F2 generation would you expect to express the dumpy wild phenotype?
a.
289.125
b. 97
c. 96.375
d. 293
4. This question focuses on entrainment.
a. What is entrainment?
b. What environmental cues are involved in entrainment, and which one is most influential?
c. Why is entrainment necessary?
d. Assuming that a flash of darkness is an effective zeitgeber, what impact on circadian
rhythms would you expect to result from an event such as the 2024 solar eclipse (assume
it was viewed from Carbondale IL, where totality occurred at about 2 pm)? Explain your
reasoning. You may wish to consult this phase response diagram.
Phase Shift (Hours)
Delay Zone
Advance Zone
Dawn
Mid-day
Dusk
Night
Dawn
Time of Light Stimulus
e. Finally, give a real-world example of how knowledge of circadian rhythms and
entrainment has implications for human health and wellbeing or conservation biology.
This example could be from your reading or from things discussed in class.
Generate one question that requires a Punnet Squre to solve the question. Then show how you calculate the possibilities of genotype and phenotype
Chapter 31 Solutions
BIOLOGY 2E
Ch. 31 - Figure 31.6 Soil compaction can result when soil...Ch. 31 - Figure 31.7 Which horizon is considered the...Ch. 31 - Figure 31.10 Farmers often rotate corn (a cereal...Ch. 31 - For an element to be regarded as essential, all of...Ch. 31 - The nutrient that is part of carbohydrates,...Ch. 31 - Most ____ are necessary for enzyme function....Ch. 31 - What is the main water source for land plants?...Ch. 31 - Which factors affect soil quality? chemical...Ch. 31 - Soil particles that are 0.1 to 2 mm in diameter...Ch. 31 - A soil consists of layers called that taken...
Ch. 31 - What is the term used to describe the solid rock...Ch. 31 - Which process produces an inorganic compound that...Ch. 31 - Through mycorrhization, a plant obtains important...Ch. 31 - What term describes a plant that requires...Ch. 31 - What is the term for the symbiotic association...Ch. 31 - What type of plant problems result from nitrogen...Ch. 31 - Research the life of Jan Babtista van Helmont What...Ch. 31 - List two essential macronutrients and two...Ch. 31 - Describe the main differences between a mineral...Ch. 31 - Name and briefly explain the factors that affect...Ch. 31 - Describe how topography influences the...Ch. 31 - Why is biological nitrogen fixation an...Ch. 31 - What is the main difference, from an energy point...Ch. 31 - Why is a root nodule a nutritional adaptation of a...
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- Briefly state the physical meaning of the electrocapillary equation (Lippman equation).arrow_forwardExplain in a small summary how: What genetic information can be obtained from a Punnet square? What genetic information cannot be determined from a Punnet square? Why might a Punnet Square be beneficial to understanding genetics/inheritance?arrow_forwardIn a small summary write down:arrow_forward
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