If alleles at the A locus are closely linked to specific alleles at the B locus, can natural selection on the B locus prevent HW equilibrium for alleles at the A locus. Why or why not?

Q: It is a common but mistaken belief that because some allele are dominant and others are recessive,…

A: Hardy Weinberg Equilibrium was discovered in 1908 by G.H. Hardy (British mathematician) and W.…

Q: For these experiment assume allele A = red, allele a = white . There are three flower colors…

A: Hardy Weinberg equilibrium is a imaginary which considers if there is no evolution then the…

Q: How does population size affect the likelihood of changes in allele frequencies by chance alone? Can…

A: Genetic drift refers to a mechanism of evolution by which the gene pool of a population changes…

Q: How can natural selection favor different phenotypes at different times?

A: Introduction  Evolution is the key process which regulates the survivability and continuity of…

Q: Is it true that natural selection allows only the better alleles to be passed onto the next…

A: Darwin stated the theory of natural selection in which he gave the following arguments: First, he…

Q: Is it likely that the selection coefficient (s) is similar in value for the three populations shown?…

A: Peppered moth is the most intensely studies species of moth during industrial revolution in Great…

Q: Allele frequencies in a population should remain constant unless one or more factors cause those…

A: Evolution is a steady phenomenon which causes transformation in life from simple one to much more…

Q: had trouble with explaining how natural selection affects alllele and genotype frequency. Does…

A: Natural Selection : It is a type of evolution. It is the process through which populations of living…

Q: Which of these observations about genetics influenced the principles of natural selection? Select…

A: Natural selection  Natural selection is a process in which organisms modify their self according to…

Q: In a population with frequencies f(A)= 0.4 and f(a) = 0.6 at generation 0; what are the genotypic…

A: Table representing change in the gene frequency AA Aa aa p2 = (0.4)2 = 0.16 2pq = 2 x (0.4) x…

Q: Geneticists claim that if gene and genotype frequencies are not already in HW equilibrium, then one…

A: The HW equilibrium or the Hardy-Weinberg equilibrium is a law that states, the genetic variation in…

Q: Snapdragon plants exhibit incomplete dominance in flower colour and this is controlled by a single…

A: The factors that induce changes in allele frequencies over time are natural selection, genetic…

Q: Deer mice are usually found in the woods and are dark brown in color. The deer mice that live in the…

A: Natural selection is the adaptation and alteration of populations of living organisms. Individuals…

Q: In Selection For Heterozygotes; Asymmetrical Fitness between Homozygotes. How does changing the…

A: Natural Selection happens when people with certain genotypes are more likely than people with other…

Q: Which microevolutionary force leads to adaptive changes in allele frequencies?

A: There are few evolutionary forces which changes the allele in population Mutation -  abbreviation…

Q: Suppose that a population is at equilibrium between mutation and selection for a deleterious…

A: Mutations in an organism can change or disrupt the allele frequencies by producing new alleles in…

Q: It is estimated that every human carries at least one recessive lethal allele (i.e. they are…

A: In diploid organisms such as humans, the efficacy of selection on a deleterious mutation depends…

Q: When alleles at a locus act in a semidominant fashionon fitness, the relative fitness of the…

A: Semidominant allele is one in all a series of terms applied to the phenotypical impact of a specific…

Q: Heritability: A. is the proportion of a trait in an individual that is explained by genes.…

A: Heritability is the proportion of the total phenotypic variation which is due to genetic…

Q: Can the frequencies of all genotypes in a population be determined directly with respect to a locus…

A: The dominant allele causes a dominant phenotype in an individual and is composed of one copy of any…

Q: Suppose a population of 1000 people is in H-W equilibrium, if 84% of this population can taste PTC,…

A: To determine the number of heterozygotes for a population of 1000 (which shows H-W or…

Q: For these experiments assume allele A = red, allele a = white . There are three flower colors…

A: Hardy Weinberg equilibrium is a imaginary which considers if there is no evolution then the…

Q: Do the following examples describe directional, disruptive, balancing, or stabilizing selection?…

A: Gene pool is a collection of all the genes found in a population. Within a gene pool, each gene type…

Q: When an allele is dominant, why does it not alwaysincrease in frequency to produce the…

A: Dominance is the inheritance condition where one allele or character is dominant over the other and…

Q: The equilibrium frequency of a deleterious allele under mutation-selection balance increases as:

A: Answer: EQUILIBRIUM  FREQUENCY is the frequency or point at which no more changes occured in allelic…

Q: "Natural Selection Is a Major Force Driving Allele Frequency Change". Explain how ?

A: Natural selection can be outlined as the phenomenon in which the population of a living organism…

Q: Which of the following contribute to keeping low-fitness alleles in our gene pool? Choose all that…

A: Natural selection will cause evolution (change in gene frequencies), with fitness-increasing alleles…

Q: You are studying two loci, A and B.  Imagine that all assumptions of HWE are met in the population,…

A: Introduction :-  Population Genetics is the study of genetics principles at the level of population…

Q: Do you expect a particular allele frequency to be at genetic equilibrium, explain?

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: What causes allele frequencies to differ between biological populations?

A: Allele  frequency  Allelic frequency can be defined as relative frequency of an allele at a…

Q: In a particular population of mice, certain individualsdisplay a phenotype called short tail, which…

A: Selective breeding is also known as artificial selection. It is a method to develop plants,…

Q: In a system that meets the requirements for Hardy-Weinberg equilibrium 25% of individuals exhibit…

A: Ans :  Frequency of dominant allele = 75%

Q: Is it easier for selection to remove a deleterious recessive allele from a randomly mating…

A: Evolution is the change in the characteristics of the individual over several generations.  Natural…

Q: Is each of the following examples due to directional, disruptive, balancing, or stabilizing…

A: Natural selection is the process by which organisms better adapted to their environment tend to…

Q: Suppose a species of bird called the red‑crested warbler has a plumage length that is controlled by…

A: According to the Hardy-Weinberg equilibrium the allele and genotype frequencies of a population will…

Q: Why do traits have to be heritable in order for evolution by natural selection t

A: Traits are genetically determined characteristics precisely phenotypic characteristics. Natural…

Q: This graph shows changes in allele frequency p and genotype frequency Hover time in response to…

A: Homozygous is the term given to the state in which both the alleles of a given set of character…

Q: Which of the following terms are used to apply ONLY TO SELECTION, and never to just evolution.…

A: the cost or benefit according to natural selection is outweighed by the benefit of sexual selection.…

Q: What is the importance of heritability in natural selection?

A: Introduction  In breeding and genetics, the term "heritability" refers to a statistic that…

Q: Can changes in allele frequencies cause genetic drift and is genetic drift always random ?

A: Genetic drift is the change in allele composition due to random chances of sampling errors. The…

Q: Briefly describe the differences between directional selection, overdominance, and underdominance.…

A: The Hardy-Weinberg principle states that allele frequencies in a population are stable and is…

Q: All of the following are causes for evolutionary concern in small populations, EXCEPT:   a.…

A: Answer :  Option B is correct :  Natural selection  can be overwhelmed by drift, and thus  cannot…

Q: What type of selection reduces genetic variation in a trait? disruptive? balancing? directional?…

A: Genetic variation refers to the variation in gene frequencies. Genetic variation can refer to…

Q: The relative fitnesses of A;A. A,Az and A2A, are 0.5. 0.8, and 1 respectively. What is the expected…

A: the relative fitnesses of A1A1, A1A2, and A2A2 are 0.5,0.8and 1 respectively. what is the expected…

Q: Explain why it is almost always the case that there is not a one to one correspondence between a…

A: Since there are multiple questions in this question. I'll answer the first one for you. If the…

Q: If alleles at the A locus are closely linked to specific alleles at the B locus, can natural…

A: The Hardy-Weinberg (HW) law states that genotypic and allele frequencies are constant throughout…

Q: Which of the following is an example of genetic drift? Group of answer choices   A-As global…

A: Alleles are the variants of a gene and bring about diversity within as well as among the species.…

Q: A population with an allele frequency (p) of 0.5 anda genotype frequency (p2) of 0.25 is at…

A: When a population is at equilibrium, there will be no mutation, no genetic drift, no natural…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.