Which of the following would NOT increase the "indirect fitness" of an individual? Genetic relatives provisioning resources to that individual The individual helping to care for their siblings The individual provisioning resources to the offspring of their siblings The individual sacrificing themselves for the survival of their genetic relatives

Which of the following would NOT increase the "indirect fitness" of an individual? Genetic relatives provisioning resources to that individual The individual helping to care for their siblings The individual provisioning resources to the offspring of their siblings The individual sacrificing themselves for the survival of their genetic relatives

Lifetime Physical Fitness & Wellness

15th Edition

ISBN:9781337677509

Author:HOEGER

Publisher:HOEGER

Chapter1: Physical Fitness And Wellness

Section: Chapter Questions

Problem 8AYK

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What does it mean that an allele increases an organism's fitness? Choose one of the following: it increases the likelihood of that organism surviving and reproducing in their current environment it increases the health and strength of the organism it increases the likelihood of that organism surviving and reproducing in ANY environment
Which of the following is the degree of an organism’s adaptation to an environment, as measured by an individual’s relative genetic contribution to future generations? Fitness Lineage Adaptation
Which of these individuals has the highest relative fitness? An individual that produces 999 offspring in a population where the average number of offspring is 1000 An individual that produces 5 offspring in a population where the average number of offspring is 1000 An individual that produces 5 offspring in a population where the average number of offspring is 4 An individual that produces no offspring, but has the highest muscle mass in population
Which of the following are arguments against the expression "survival of the fittest"? Choose all that apply. (1, 2, 3, or 4 could be correct) "Fittest" implies absolute fitness, when relative fitness of one genotype compared to others is more important "Fittest" makes it sound like it is about physical fitness, when whether an individual reproduces may depend on other traits "Fittest" makes it sound like an individual will be fit in all environments, when in reality the same genotype may have different fitness in different environments Reproduction is more important than survival for transmitting genetic differences to progeny
Which 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 mechanisms
Why is "fitness" in selection referred to "relative fitness"? Group of answer choices A_"Relative fitness" refers to fitness of a genotype relative to the environment that organisms are in B_"Relative fitness" refers to fitness of some genotypes relative to other genotypes in a population
What does Hardy-Weinberg test? The robustness of a population Whether a population is evolving How many alleles are in the gene pool The proportion of fitness in the population
The graph below shows values for body size in parents and offspring. The data shown are consistent with which of the following situations. ANSWER CHOICES A. variation in body size is completely due to variation in the environment (heritability is 0) B. most of the variation in body size is due to variation in the environment but there is a small effect of genes (heritability is around 0.2) C. variation in body size is completely due to variation in genes (heritability is 1.0) D. most of the variation in body size is due to variation in genes but there is some effect of the environment (heritability is about 0.8)
In our lectures, the antagonistic pleiotropy hypothesis is used to explain why evolving to live longer is often beneficial to oneâ s fitness. True False
Write the survivor rate for AA and Aa genotypes (write the answer in decimal numbers, not in fractions) Survivor rate of AA= Survivor rate of Aa= Write the absolute fitness for AA and Aa genotypes (write the answer including two decimal figures) Absolute fitness (W) of AA= Absolute fitness (W) of Aa= Write the relative fitness for AA and Aa genotypes (write the answer in decimal numbers, include two decimal figures) Relative fitness (w) of AA= Relative fitness (w) of Aa= asap please.
Which of the following statements about genetic fitness and/or selection is false? Group of answer choices Individuals with low fitness have greater selection coefficients Fitness involves both relative viability and reproductive success Individuals with high fitness have greater selection coefficients Selection against recessive alleles tends to be slower overall than dominant alleles because of the survival in heterozygotes
Meaningful evolution occurs when __________. ○ a heritable trait affects survival and fitness ○ a heritable changed trait gives an organism a fitness advantage ○ a changed trait gives an organism a disadvantage ○ environmental factors change