Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 4TYK
CAUTION How can evolutionary fitness be estimated?
a. Document how long individuals survive.
b. Count the number of healthy, fertile offspring produced.
c. Determine which individuals are strongest.
d. Determine which
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Students have asked these similar questions
Relative fitness
a. refers to the survival rate of one phenotype compared to that of another.
b. is the physical condition of an individual’s siblings and cousins.
c. refers to the reproductive success of a phenotype.
d. None of the choices is correct.
Which statement about an individual that is homozygous for an allele is FALSE?
Select one:
a. Its parents were necessarily homozygous for that allele.
b. Each of the gametes it produces will contain one copy of that allele.
c. It will pass that allele to its offspring.
d. It is true-breeding with respect to that allele.
e. Each of its cells possesses two copies of that allele.
Identify the most accurate statement about population variation.
a.
Allopolyploidy occurs when chromosomes fail to separate during gametogenesis and then self-fertilization results in a tetraploid offspring.
b.
Chromosomal duplications and deletions cause large changes due to the changes in gene dosage.
c.
Traits that are influenced by both environment and genetics are unlikely to be influenced by evolution.
d.
Gene duplications and deletions occur frequently during equal crossing over that occurs during meiosis I.
Chapter 22 Solutions
Biological Science (6th Edition)
Ch. 22 - True or false? Some trails are considered...Ch. 22 - CAUTION Why does the presence of extinct forms and...Ch. 22 - 3. Trails that are derived from a common ancestor,...Ch. 22 - CAUTION How can evolutionary fitness be estimated?...Ch. 22 - 5. CAUTION According to data presented in this...Ch. 22 - Some biologists summarize evolution by natural...Ch. 22 - Prob. 7TYUCh. 22 - SOCIETY Explain why the overprescription of...Ch. 22 - 9. The average height of humans in industrialized...Ch. 22 - Prob. 10TYPSS
Ch. 22 - How can natural selection on mouse color be...Ch. 22 - 12. CAUTION What is an evolutionary adaptation?
a....Ch. 22 - Apply Darwin’s four postulates to a population of...Ch. 22 - 14. PROCESS OF SCIENCE A team lead by evolutionary...Ch. 22 - Prob. 15PIATCh. 22 - 16. PROCESS OF SCIENCE When a statistical test was...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is false? a. The color of a fruit fly's eyes is a trait. b. The instructions for producing a trait are found in a gene that controls the physical expression of that trait. c. A gene can have different alleles that can specify different traits, such as red or brown eye color. d. The trait is influenced by the gene, independent of the environment. e. By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.arrow_forwardGive typing answer with explanation and conclusion What is a phenotype and how is it determined? What is phenotypic plasticity? Over what time scale does phenotypic plasticity act? Why would animals want to have plastic phenotypes?arrow_forwardA. Direction: For each of the five examples below, give the name of the isolating mechanism and specify if it is prezygotic or postzygotic isolation. a. In some bee population, only large bees are big enough to unfold flower petals and obtain nectar and pollen. b. A cross between two fish species occurs but development only occurs up to 16-cell stage. c. In drosophila, when sperm form one species enters the other species, the sperm is immobilized and unable to fertilized egg. d. Fireflies have a unique lighting pattern. The frequency of lighting is species specific. Fireflies in the same area will not mate with those having a different lighting frequency. e. Two species of butterflies are found in northern Michigan, but one species is found only near rivers and streams, the other near lakes. B. Read analyze the statements given below. Then, justify your answer. a. A common farming practice is to breed a female horse with a male donkey. The result is a very robust animal – the mule.…arrow_forward
- Please discuss the fitness advantage associated with aiding a related or even an unrelated individual with producing offspring. Please give examples.arrow_forwardWhat is the difference between monozygotic (MZ) and dizygotic (DZ) twins?A. MZ twins develop from two eggs, whereas DZ twins develop from a single egg.B. MZ twins develop from a single egg, whereas DZ twins develop from two eggs.C. MZ twins are one male and one female, whereas DZ twins are of the same gender.D. MZ twins are of the same gender, whereas DZ twins are one male and one female.arrow_forwardWhich one of these statements about fitness is most accurate? A. Fitness is a measure of strength & health B. Fitness may change at a population level, but is constant for an individual C. Fitness can only be measured at the population level D. Fitness is a measure of reproductive success E. Fitness is an overall measurement that applies to all evolutionary mechanismsarrow_forward
- In every beehive, there is one queen bee who lays all the eggs. If an egg is not fertilised, it hatches into a male bee, called drone. If an egg is fertilised, it hatches into a lady worker bee, which does not lay any eggs.a. Consider a drone. How many parents, grandparents, great grandparents, great-great grandparents, great-great-great grandparents, great-great-greatgreat grandparents does it have?b. Write a mathematical sentence which can be used to represent the number grandparents a drone has during a particular generation.arrow_forwardThe twofold cost of sex model by John Mynard Smith explains how - A. asexual females can become predominant in a population. B. anisogamy results in sexual reproduction. C. sexual individuals can produce genetically variant offspring. D. asexual females invest as much in offspring as the sexual females.arrow_forwardWhat is NOT an example of antagonistic pleiotropy? A. Developmental genes that code for greater or fewer than seven cervical vertebrae have negative fitness costs. B. Genes that create insect breathing tubes cause decreased production of growth hormones. C. Mutations that confer resistance to Bt also make insects more vulnerable to natural plant defensive chemicals. D. Two of the three choices are correct.arrow_forward
- This diagram illustrates a type of reproductive process in an organism. Parent Offspring A Based on this information, what conclusion about the offspring labeled "A" is supported? O It has acquired traits in response to its environment. O It has a lower mass of genetic material than offspring B. O It has the same genetic material as its parent. O It has half as much genetic material as its parent. INTL 01 https://student.masteryconnect.com/#arrow_forwardA gene pool is a. all of the genes in a single individual. b. all of the genes in the gametes from a single individual. c. all of the genes in a population of individuals. d. the random mixing of genes during sexual reproduction.arrow_forwardWhich statement best explains why an understanding of life-history trade-offs is important when examining the fitness of an organism? A. Because individuals may not be producing the maximum number of offspring they possibly can in any particular breeding season. B. Because in any particular breeding season, individuals may need to produce fewer offspring to enhance their own survival. C. Because individuals need to live longer, so they will not produce the maximum number of offspring each season. D. Because when individuals need offspring, they can choose whether to reproduce or not.arrow_forward
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