BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 17, Problem 6SA
Summary Introduction
Introduction:
In a single population, variations in a single gene can be seen. These variations are caused because of presence of two or more alleles of the gene which is responsible for that trait. Even after presence of traits, similarities to some extent are maintained in different populations. Maintenance of similarities between populations can help in their interaction with each other if living in similar habitats..
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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 the original source of new alleles. a. Mutation c. Gene flow b. Natural selection d. Genetic driftarrow_forwardWhich of the four evolutionary mechanisms make a population better adapted to its environment? A. Migration B. Genetic drift C. Mutations D. Natural selection. arrow_forwardWhen males and females of a population look or act differently, it is referred to as ________. a. sexual dimorphism b. sexual selection c. diversifying selection d. a clinearrow_forward
- Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological developmentarrow_forwardWhat branch of biology deals with the genetic makeup of populations? A. cytology B. ecology C. Mendelian genetics D. population genetics E. population ecologyarrow_forwardJohn wants a dog with short hair. To do this, he breeds two dogs, both with short hair. This is called A. Natural Selection B. Artificial Selection C. Genetic Modification D. Random Chancearrow_forward
- The Old Order Amish is a relatively small population of individuals found in the United States in Pennsylvania and Ohio. They are a very isolated population due to their strong religious beliefs and lifestyle that have continued for more than 200 years. They mostly select mates from within their own population, which has had significant effects on their gene pool.The effects on their gene pool is a result of a. non-random mating b. founder effect c. mutation d. bottleneck effectarrow_forward89. Natural selection can best be described as _________. A. differential survival and/or reproduction among heritable entities B. macroevolutionary change C. microevolutionary change which results in new species D. none of the above describe natural selectionarrow_forwardPlease help with the following: Alleles that increase resistance to disease are expected to increase in frequency in the population as a result of ______________. A. positive selection B. balancing selection C. negative selection D. artificial selectionarrow_forward
- The sacrifice of the life of an individual so that the genes of relatives may be passed on is called ________. a. operant learning b. kin selection c. kinesis d. imprintingarrow_forwardChange in allele frequency of a population is called_____ . a. macroevolution c. inbreeding b. adaptive radiation d. microevolutionarrow_forwardIn population genetics, evolution describes how ____ change from onegeneration to the next.a. individuals c. phenotype frequenciesb. allele frequencies d. communitiesarrow_forward
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Genetic Variation and Mutation | 9-1 GCSE Science Biology | OCR, AQA, Edexcel; Author: SnapRevise;https://www.youtube.com/watch?v=bLP8udGGfHU;License: Standard YouTube License, CC-BY