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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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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- Choose one plsarrow_forwardA researcher studied six independently assorting genes in a plant. Each gene has a dominant and a recessive allele: R black stem, r red stem; D tall plant, d dwarf plant; C full pods, c constricted pods; O round fruit, o oval fruit; H hairless leaves, h hairy leaves; W purple flower, w white flower From the cross (P1) RrDdccOoHhWw x (P2) RrddCcooHhww, determine: Note: RrDdccOoHhWw is one genotype. a. How many kinds of gametes can be formed by P1?b. How many genotypes are possible among the progeny of this cross?c. How many phenotypes are possible among the progeny?d. What is the probability of obtaining the RrDdccOohhww genotype in the progeny?e. What is the probability of obtaining a black, dwarf, constricted, oval, hairy, purple phenotype in the progeny?arrow_forwardChoose one plsarrow_forward
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- Lou, a researcher, is examining two different fireflies, and each firefly is homozygous for a mutation that is inherited in an autosomal recessive manner. Lou has discovered that the two fireflies both show defects in flying. Lou would like to determine if both fireflies have mutations in the same or different genes, so he mates the two fireflies together. The resulting offspring all can fly normally. What would this result suggest? Select all that apply. Group of answer choices A) The two parent fireflies contain mutations in different genes B) The two parent fireflies contain mutations in the same gene C) This is an example of complementation D) This is an example of the failure to complementarrow_forwardFigure 1.7 Decide if each of the following is an example of inductive or deductive reasoning. All flying birds and insects have wings. Birds and insects flap their wings as they move through the air. Therefore, wings enable flight. Insects generally survive mild winters better than harsh ones. Therefore, insect pests will become more problematic if global temperatures increase. Chromosomes, the carriers of DNAr separate into daughter cells during cell division. Therefore, each daughter cell will have the same chromosome set as the mother cell. Animals as diverse as humans, insects, and wolves all exhibit social behavior. Therefore, social behavior must have an evolutionary advantage.arrow_forwardA researcher studied 6 independently assorting genes in a plant. Each gene has a dominant and a recessive allele: R black stem, r red stem; D tall plant, d dwarf plant; C full pods, c constricted pods; O round fruit, o oval fruit; H hairless leaves, h hairy leaves; W purple flower, w white flower. From the cross Rr Dd Cc Oo Hh Ww (male) x Rr dd Cc oo Hh ww (female): How many different kinds of gametes can be formed from both parents? What is the frequency of obtaining a sperm cell with at 3 dominant and 3 recessive alleles? How many phenotypes are possible among the progeny? How many genotypes? What is probability of obtaining a black, dwarf, constricted, oval, hairy, purple phenotype in the progeny? What is probability of obtaining progeny with exactly same genotype as the female parent? As the male parent? If both parents were heterozygous for all genes, what is the probability of obtaining progeny with at least 2 recessive traits? From the cross in (f), will there be…arrow_forward
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