Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 15, Problem 2FTB
Different versions of the same gene are called ________________. These versions arise as a result of changes in the sequence of _________ that form the gene. These changes are known as _________. An individual with two identical copies of a given gene is described as being _______ for that gene, while an individual with two different versions of that gene is described as ___________.
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In order for a new variant to become dominant in the population, it must have a(n) _________________ that results allows it to be more successful.
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Hormone
replication
expression
mutation
An individual and a population has certain characteristics.Name these attributes with definitations.
An organism is described as Rr, with red coloring. Rr is the organism’s________ , while red color is its___________. This organism would be___________ (homozygous/heterozygous) for this color gene.
Chapter 15 Solutions
Biology: Life on Earth
Ch. 15 - The ________ provides a simple mathematical model...Ch. 15 - 2. Different versions of the same gene are called...Ch. 15 - An organism's ________ refers to the specific...Ch. 15 - 4. A random form of evolution is called _________....Ch. 15 - Competition is most intense between members of...Ch. 15 - 6. The evolutionary fitness of an organism is...Ch. 15 - 1. What is a gene pool? How would you determine...Ch. 15 - 2. Define equilibrium population. Outline the...Ch. 15 - How does population size affect the likelihood of...Ch. 15 - If you measured the allele frequencies of a gene...
Ch. 15 - 5. People like to say that “you can’t prove a...Ch. 15 - 6. Describe the three ways in which natural...Ch. 15 - What is sexual selection? How is sexual selection...Ch. 15 - In North America, the average height of adult...Ch. 15 - Malaria is rare in North America. In populations...Ch. 15 - By the 1940s, the whooping crane population had...Ch. 15 - Prob. 4ACCh. 15 - A preview question for Chapter 16: A species is...
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- Matching DNA samples in forensics uses a specific set of small “genes” called________ . The alleles of these genes in different people vary in the__________ of the allele. The pattern of these alleles that a given person possesses is called his or___________ her .arrow_forwardGenetics is a rapidly evolving area of science. Each year advances in genetics bring exciting new technologies to the market. Areas such as forensics, genealogy, and healthcare have all been affected by new genetic technologies. Choose a genetic technology and report on how this technology is affecting or will effect our lives. Give at least one outside source and cite in APA format.arrow_forwardIf our DNA contains all the information about who we are, how can something that does not involve changing the gene sequence cause changes in phenotypes? Describe briefly how these changes happen in an essay with examplesarrow_forward
- true or false:  mutations add to genetic variation by producing new alleles.arrow_forwardDiscuss how changes in organisms within an environment affect their survival. Specifically discuss the effects of a gene mutation for color in beetles. << Read Lessarrow_forwardAgree or disagree with each of the five statements below and describe why the statement is or is not true. Number your answers so I know which statement you're talking about. Berdon syndrome is a recessive disorder in humans that is typically fatal shortly after birth. This disease will eventually be eliminated from the population because people with the disease die before they reproduce. Jalili syndrome is an extremely rare recessive disorder. A person with one normal allele and one disease allele will not suffer from this disorder. The ability to taste the chemical phenylthiocarbamide (PTC) is a dominant trait in humans. Therefore, the majority of the population must have this trait. An individual's phenotype is determined entirely by their DNA. All mutations are harmful.arrow_forward
- Use the following words to complete this statement: phenotype, genotype, heterozygous, homozygous, traits, alleles, genes Chromosomes contain _______, which help to determine an organisms _____. Genes come in alternate forms called _____, and both parents may not have the same type of allele. The actual gene combination that an organisms receives from its parents is called its_____, while the trait that gets expressed as a result is referred to as its _____. If an offspring receives the same type of allele for a given gene from each parent, it is said to be _____for that trait. If the alleles differ, it is _____.arrow_forwardWhich of the following would not be consistent with the ideathat a disorder has a genetic component?a. The disorder is more likely to occur among an affectedperson’s relatives than in the general population.b. The disorder can spread to individuals sharing similarenvironments.c. The disorder tends to develop at a characteristic age.d. A correlation is observed between the disorder and amutant gene.arrow_forwardScientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community. Use the information provided and your knowledge of genetics to answer each question. For each genotype below, indicate whether it is heterozygous (Hetz) OR homozygous (Homz). TT _____ Bb _____ DD _____ Ff _____ tt _____ dd _____ Dd _____ ff _____ Tt _____ bb _____ BB _____ FF _____ Which of the genotypes in #1 would be considered purebred? ________________________________ Which of the genotypes in #1 would be hybrids? __________________________________________arrow_forward
- A nutritionist is interested in collecting data to develop a healthy eating program at a local high school. In particular, the nutritionist is interested in collecting the students' body mass index value and their daily caloric intake. The nutritionist wishes to study the relationship between these two quantitative pieces of data. What would be the best graph to display this type of data? A B с D scatterplot histogram box plot pie chartarrow_forwardWhich of the following statements describe how genes, proteins, and traits are related? Select all that apply. Proteins carry out activities in the cell that affect traits. Genes carry out functions in the cell that include providing structure and controlling chemical reactions. Genes contain information about traits. The nucleotide sequence of a gene determines the amino acid sequence of a protein. Proteins are molecules in the cell that encode genes. Submitarrow_forwardJust like actual fingerprints, DNA fingerprints are unique to most individuals (other than identical twins). Today, most police departments in the United States use DNA fingerprints as a criminal investigation tool. What is another application of DNA fingerprints? O A. Identifyipg a person's personality traits O B. Identifying the father of a child O C. Identifying the sex of a future, not conceived offspring O D. Determining if a person has consumes genetically engineered plantsarrow_forward
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