Which of the below is necessary in order for a population to evolve via genetic drift?...
Which of the below is necessary in order for a population to evolve via genetic drift?
Group of answer choices
Some variable traits must provide a reproductive or survival advantage relative to individuals without those traits
The population must have variation in traits
The population must have variation in traits, and the variable traits must be heritable, but a reproductive / survival advantage is not necessary
The variable traits in the population must be heritable
Homework Answers
(C) is correct
Evolution by genetic drift must follow this order. The population must have some significant inheritable variations in traits. Advantage of survival is not compulsory in this case.
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Which of the below is necessary in order for a population to
evolve via genetic drift?...
1) Darwin's four postulates include (circle all that apply)
1) Darwin's four postulates include (circle all that apply) a) Reproductive success and survival are NOT predictable b) There is variation in a population c) Some trait differences in a population are heritable and are passed from generation to generation d) Individuals with certain traits are more likely to survive and reproduce e) All of the above are Darwin's postulates. 2) For each of the following, indicate whether the statement is True or False (circle correct choice) a) An adaptation is a behavior...
Prestrate NATURAL SELECTION RESPONSE SHEET 12 Graph A Starting Population Graph B Round 1 Surviving Population...
Prestrate NATURAL SELECTION RESPONSE SHEET 12 Graph A Starting Population Graph B Round 1 Surviving Population 12 0 6 6 4 2 2 Red o GBB من ها) Doc 4-03 scoat е е с Graph C Round 2 Surviving Population 12 Graph D Round 3 Surviving Population 6 4 2. 2 O Y G BB C- ---- 1c 30 1. Describe natural selection without using the phrase "survival of the fittest." 2. True or False: Write a T for true...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution reduces reproductive success of all phenotypes of green algae in the pond. b. Variation among individuals is not genetic; instead it results from learned behavior or physiological environmental responses. c. Introduction of an exotic predator species results in one native prey phenotype evading predation while other phenotypes get eaten. d. Individuals of the population are clones (genetically identical). 7. Which one is used as...
Help Example #3: The trait depicted in the pedigree below is definitely... OR OR not determinable...
Help
Example #3: The trait depicted in the pedigree below is definitely... OR OR not determinable based on given info one) a recessive one Hint: Your first instinct may deceive you on this question. Make sure to perform the steps outlined in example #1 tohelp you answer this problem. The answer may surprise you. 023: Explain your answer. Construct at least one Punnett square as part of your explanation 20 Q24: Which of the following is/are true about dominant traits?...
17.You are a geneticist studying the population genetics of Monarch butterflies. You are particularly interested in...
17.You are a geneticist studying the population genetics of Monarch butterflies. You are particularly interested in one gene for which the species has two alleles: B and b. Upon examining the alleles present in 100 individuals, you find that the B allele is very common, with an allele frequency of .6. Therefore, you calculate that there are a total of _______ b alleles present in the population. Group of answer choices A) 60 B) 80 C) 100 D) 120 E)...
Please help and explain Biological fitness is best defined as A) a heritable trait that increases...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
Need help please question 6-8 to include a decrease at high densities as well.) aw a...
Need help please
question 6-8
to include a decrease at high densities as well.) aw a graph of per capita growth rate versus N illustrating this concept. (Be sure frequendeesens evolve as a result ofcout how genetic drift works, acco So far you have learned the basis ahh e tic drift works, according to the idea that populations evolve as a result of m o r. Now consider this prediction: Allele Trequencies change by genetic drift equally quickly in large...
need help with this .. From the pages 571-587 attached below. 1a) Suppose a population of...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
How Does Evolutionary Change Occur? "I soon perceived that selection was the keystone of man's success...
How Does Evolutionary Change Occur? "I soon perceived that selection was the keystone of man's success in making useful races of animals and plants. But how selection could be applied to organisms living in a state of nature remained for some time a mystery to me." - Charles Darwin Introduction Fundamentally, evolution is the idea that the form and behaviors of a species are not fixed - that they can change over time. Before Darwin was even born, some scientists...
Multiple Choice 1. You count 1000 seeds from a monohybrid cross (i.e., single-locus heterozygote crossed with...
Multiple Choice
1. You count 1000 seeds from a monohybrid cross (i.e., single-locus heterozygote crossed with single-locus heterozygote). How many seeds do you expect to display the dominant phenotype? a. 1000 b. 750 c. 500 d. 250 2. Which of the following is among the purposes of a genetic dissection analysis? a. To determine how two alleles at a locus interact with one another. b. To determine the order of intermediaries in a genetic pathway. c. To determine whether a...
Prestrate NATURAL SELECTION RESPONSE SHEET 12 Graph A Starting Population Graph B Round 1 Surviving Population 12 0 6 6 4 2 2 Red o GBB من ها) Doc 4-03 scoat е е с Graph C Round 2 Surviving Population 12 Graph D Round 3 Surviving Population 6 4 2. 2 O Y G BB C- ---- 1c 30 1. Describe natural selection without using the phrase "survival of the fittest." 2. True or False: Write a T for true...
6. Which of these conditions will lead to evolution by natural selection? a. Heavy metal pollution reduces reproductive success of all phenotypes of green algae in the pond. b. Variation among individuals is not genetic; instead it results from learned behavior or physiological environmental responses. c. Introduction of an exotic predator species results in one native prey phenotype evading predation while other phenotypes get eaten. d. Individuals of the population are clones (genetically identical). 7. Which one is used as...
Help
Example #3: The trait depicted in the pedigree below is definitely... OR OR not determinable based on given info one) a recessive one Hint: Your first instinct may deceive you on this question. Make sure to perform the steps outlined in example #1 tohelp you answer this problem. The answer may surprise you. 023: Explain your answer. Construct at least one Punnett square as part of your explanation 20 Q24: Which of the following is/are true about dominant traits?...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
Need help please
question 6-8
to include a decrease at high densities as well.) aw a graph of per capita growth rate versus N illustrating this concept. (Be sure frequendeesens evolve as a result ofcout how genetic drift works, acco So far you have learned the basis ahh e tic drift works, according to the idea that populations evolve as a result of m o r. Now consider this prediction: Allele Trequencies change by genetic drift equally quickly in large...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
How Does Evolutionary Change Occur? "I soon perceived that selection was the keystone of man's success in making useful races of animals and plants. But how selection could be applied to organisms living in a state of nature remained for some time a mystery to me." - Charles Darwin Introduction Fundamentally, evolution is the idea that the form and behaviors of a species are not fixed - that they can change over time. Before Darwin was even born, some scientists...
Multiple Choice
1. You count 1000 seeds from a monohybrid cross (i.e., single-locus heterozygote crossed with single-locus heterozygote). How many seeds do you expect to display the dominant phenotype? a. 1000 b. 750 c. 500 d. 250 2. Which of the following is among the purposes of a genetic dissection analysis? a. To determine how two alleles at a locus interact with one another. b. To determine the order of intermediaries in a genetic pathway. c. To determine whether a...
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