Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 18, Problem 6RQ
Which description is an example of a
- A certain duck has a blue beak
- A mutation occurred to a flower
- Most cheetahs live solitary lives
- both a and c
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The gene for fangs is recessive, yet most of the dragons have fangs. How can this happen? [Hint. The gene that causes dwarfism (achondroplasia) in humans is dominant
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Chapter 18 Solutions
Biology 2e
Ch. 18 - Figure 18.14 Which is most likely to survive,...Ch. 18 - Figure 18.22 If two species eat a different diet...Ch. 18 - Figure 18.23 Which of the following statements is...Ch. 18 - Which scientific concept did Charles Darwin and...Ch. 18 - Which of the following situations will lead to...Ch. 18 - Which description is an example of a phenotype? A...Ch. 18 - Which situation is most likely an example of...Ch. 18 - Which situation would most likely lead to...Ch. 18 - What is the main difference between dispersal and...Ch. 18 - Which variable increases the likelihood of...
Ch. 18 - What is the main difference between autopolyploid...Ch. 18 - Which reproductive combination produces hybrids?...Ch. 18 - Which condition is the basis for a species to be...Ch. 18 - Which situation is not an example of a prezygotic...Ch. 18 - Which term is used to describe the continued...Ch. 18 - Which components of speciation would be least...Ch. 18 - If a person scatters a handful of garden pea plant...Ch. 18 - Why do scientists consider vestigial structures...Ch. 18 - How does the scientific meaning of “theory” differ...Ch. 18 - Explain why the statement that a monkey is more...Ch. 18 - Why do island chains provide ideal conditions for...Ch. 18 - Two species of fish had recently undergone...Ch. 18 - Why can polyploidy individuals lead to speciation...Ch. 18 - What do both rate of speciation models have in...Ch. 18 - Describe a situation where hybrid reproduction...
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- Imagine you are working in a genetics lab with the fruit fly Drosophila melanogaster, a model organism for genetics research. You want to determine whether a trait you have discovered in fruit flies is dominant or recessive.• Explain how you would design an experiment to answer this question.arrow_forwardWhich would be an example of an allele? Group of answer choices The gene for blue eyes A person’s eye color The measure of the frequency of occurrence of a given event The exact genetic code for a traitarrow_forwardA cross between homozygous purple-flowered and homozygous white-flowered pea plants results in offspring with purple flowers. This demonstrates the concept of Group of answer choices dominance. true-breeding. recessive traits. a dihybrid cross. the blending model of genetics.arrow_forward
- Lamarck’s proposed mechanism for the inheritance of acquired traits was correct. Group of answer choices: True Falsearrow_forwardBesides a mutation for red color, what other mutation occurred in the lizard populationarrow_forwardOften successful domestication of a plant or animal is due to the fact that this involved just a few gene changes. In what situation can changes in just a few genes dramatically change an organism's entire appearance?arrow_forward
- Which of the following terms is the most broad? a phenotype b character c traitarrow_forwardExplain the central dogma of biology. Explain the role of each part of the dogma in creating an organism. Make a connection to a trait that you inherited from your parents that makes you unique.arrow_forwardIn genetics, F stands for filial, which means ________. a. friendly c. final b. offspring d. hairlikearrow_forward
- DNA____________. a. guides form and function c. is transmitted from parent to offspring b. is the basis of traits d. all of the abovearrow_forwardA mutation that alters the embryonic expression pattern of an _______ may lead to major differnces in the adult form. a. derived trait c. homologous structure b. homeotic gene d. analogous strcuturearrow_forwardSimilarities in ___________ are the basis of similarities in traits. a. karyotype c. the double helix b. DNA sequence d. chromosome numberarrow_forward
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