BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 17, Problem 4SA
Summary Introduction
Introduction:
Sexual selection is one of the cases of natural selection that is seen in sexually reproducing organisms where an organism is capable of choosing a partner (of the opposite sex) with whom it can go for mating and produce offsprings.
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Chapter 17 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 17 - _________is the original source of new alleles. a....Ch. 17 - Prob. 2SACh. 17 - Match the modes of natural selection with their...Ch. 17 - Prob. 4SACh. 17 - The persistence of the sickle allele at high...Ch. 17 - Prob. 6SACh. 17 - Prob. 7SACh. 17 - Which of the following is not part of how we...Ch. 17 - Prob. 9SACh. 17 - Prob. 10SA
Ch. 17 - Prob. 11SACh. 17 - Prob. 12SACh. 17 - In evolutionary trees, each node represents an...Ch. 17 - Match the evolutionary concepts. ____gene flow a....Ch. 17 - The evolution of wings helped the insect clade to...Ch. 17 - Species have traditionally been characterized as...Ch. 17 - Rama the cama, a llama-camel hybrid, was born in...Ch. 17 - Two species of antelope, one from Africa, the...Ch. 17 - Prob. 4CT
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- ______ is any attribute of theorganism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.A. Adaptation B. MigrationC. Conformation D. Regulationarrow_forwardWhich of these situations offers the lowest “opportunity for selection” for males? A. Females choose mates with a fancy ornament. B. Every female chooses one male to mate with for life. C. Locations that females need access to in order to reproduce are rare. D. Males fight each other for access to groups of females.arrow_forwardDNA_____ .a. guides form and function c. is transmitted from parents to offspringb. is the basis of traits d. all of the abovearrow_forward
- If an individual manifests a physical trait that is considered recessive this means that their genotype must be ____________________ for that trait. A. Homozygous Dominant B. Homozygous Recessive C. Heterozygous D. None of the above.arrow_forwardPlease read the scenario below and answer the question (in bold) that follows: In humans, the ability to roll one's tongue is a dominant trait (T). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue though their son, Michael, cannot. What is the genotype of the mother? a. TT b. Tt c. tt d. Either A or B e. Either B or Carrow_forwardThe process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. geneticsarrow_forward
- Please read the scenario below and answer the question (in bold) that follows: In humans, the ability to roll one's tongue is a dominant trait (T). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue though their son, Michael, cannot. What gametes does the mother produce? a. T b. t c. T and t d. Tt e. TT Jarrow_forwardWhen the siblings of centenarians were studied, it was determined that … a.Genetics has no role in longevity b. Mortality rates in twins and siblings differ from the general population c. All siblings of centenarians are also centenarians d. There is only a correlation with parental longevityarrow_forwardA recessive sex-linked gene in humans leads to a loss of sweat glands. A woman heterozygous for this will a. have no sweat glands. b. have normal sweat glands. c. have patches of skin with and without sweat glands. d. have an excess of sweat glands.arrow_forward
- An animal has a genotype of two uppercase letters, such as AA. What is this type of genotype called? A. Homozygous Recessive O B. Homozygous Dominant C. Heterozygous Dominant O D. Heterozygous Recessivearrow_forwardIn Biology of Beauty, Cowley found that contemporaryfemales are attracted to males with broad foreheads and strong chins, and that this effect persisted across different cultures. How did Cowley explain this result? A. This is a trick question- this attraction is culturally relative B. Males compete for access to females by developing these features as a form of male-male competition C. There is no evidence that females really are differentially attracted to males with these features D. Attraction to males with these features is adaptive for females because males with these traits are usually sexually mature and have healthy immune systems E. Only some human cultures value these traits as attractive.arrow_forwardWhat is meant by “sexual selection”? a. Having an XX or XY chromosome pattern determines whether one develops as a female or a male. b. Hormones during a sensitive period produce longlasting effects on anatomy and behavior. c. Some people choose to switch from one gender identity to another. d. Evolution favors characteristics that make an individual more appealing to the opposite sex.arrow_forward
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