Alzheimer's is believed to be caused by a dominant allele, however, it continues to persist in populations, even though it is deleterious.  Explain why the allele for Alzheimer's  persists using an evolutionary justification.

Q: Write a short explanatory essay on the following statement: “Incases of genetically programmed…

A: Natural selection is defined as the process by which an organism or individual will adapt to its…

Q: A survey of Canadian males was performed in during the 1980s. 52% of adult males smoked. The…

A: Lung cancer is a type of cancer that starts in the lungs' cells. It is one of the most common…

Q: Consider the case of a hypothetical genetic disease called WhySciEleven (WSE), an inherited disease…

A: WhySciEleven is a recessive trait. It is found in presence of two recessive alleles for a gene. Let…

Q: Imagine a population (with individuals of all possible genotypes) whose food supply is sometimes…

A: Humans possess two types of chromosomes: autosomes and sex chromosomes. Some of the physiological or…

Q: ONTARIO 100 100 100 100 100 Ontario Mich Lake Erie NY 90 90 90 90 90 N = 63 N = 64 N = 16 N = 214 N…

A: Migration is a phenomenon which is used to describe movement of individual organisms from one place…

Q: Which of the following statements about the grandmother hypothesis is correct?     This is a…

A: The grandmother hypothesis states that fitness benefits gained by older women for helping in rearing…

Q: If it was determined that APO E4 interacted epistatically with one other gene, which form of…

A: A neurodegenerative condition known as Alzheimer's disease affects the brain and causes memory loss…

Q: Most of the genetic information we will get from our genome will not be hard evidence that we will…

A: In molecular genetics, a genome is defined as the complete set of genetic information of an…

Q: resulting in dementia and memory loss that occurs in 10% of the US population older than 65. In the…

A: As mentioned in the passage Alzheimer's disease can occur due to the mutation in both the alleles of…

Q: In a study, an undergraduate student discovered a new enzyme involved in the metabolism of…

A: Enzymes are usually protein molecules which catalyzes several biochemical reactions. It works as a…

Q: The eugenic movement was created in the early 20th century by Sir Francis Galton. Its aim was to…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: You are collaborating with a cool new local brewery on an experiment with one of their strains…

A: Mutations are sudden heritable changes that occur throughout Nature. Often mutations can make…

Q: Asthma is a common medical condition that is influenced by genetics and environment. In the Us,…

A: It is a multiple choice question.

Q: the term for South Africa's legalized white supremacy policies dating back to the 1940s is called:…

A: Introduction The concept of race describes how people were categorised based on their race. The…

Q: Propose a hypotheses for this observation: In a study conducted by an undergraduate student, he…

A: The possibility of further investigation, verification, or answering a scientific inquiry by…

Q: Describe what nearsightedness, farsightedness, and astigmatism is. What is the complete epigenetic…

A: Vision conditions refer to any disorders or diseases related to the eyes that affect a person's…

Q: Looking to the future, what changes to the frequency of the sickle-cell allele do you envision as…

A: Introduction:- Sickle-cell disorder is an autosomal recessive disorder that's mean If both the…

Q: The table shows the risk of inheriting the genetic disorder cystic fibrosis across different ethnic…

A: The lung and digestive tract are affected by cystic fibrosis as an inherited condition. The body…

Q: Sir Francis Galton (1883) developed the concept of eugenics, advocated the encouragement, through…

A: Francis Galton, derived the term “eugenics” from the Greek word eugenes, meaning “good in birth” or…

Q: Some genetic disorders are caused by autosomal recessive alleles. Many such alleles are recessive…

A: Some phenotypic characters are controlled by single gene. Some are controlled by multiple genes. In…

Q: From your research, you discover that in this species of fish, the allele for black color is…

A: An allele represents an alternate copy of a gene. A gene is a segment of DNA (deoxyribonucleic acid)…

Q: Describe two problems associated with the Grandmother hypothesis that argue against its validity

A: The grandmother hypothesis is a hypothesis to explain the existence of menopause in human life…

Q: Define biological determinism and explain how the classifications of humans that resulted from this…

A: Biological determinism, also known as genetic determinism, is a theory that suggests the genetic…

Q: Which of the following is NOT a valid evolutionary explanation for why aging (or senescence)…

A: An organism begins to weaken and frailty as it ages, which is a natural occurrence. Once a person…

Q: Suppose 40 percent of people living in a remote, isolated mountain village can taste…

A: According to Hardy Weinberg equation in the absence of external forces the allele and genotype…

Q: (melanocortin-1 receptor) Coat color in black bears is controlled, in part, by the Mclr locus. At a…

A: An allele is a variant form of a gene that arises by mutation and is located at a specific position…

Q: A disorder that leads to nearsightedness is caused by a genetic mutation. On a small island in the…

A: The mechanisms of evolution doesn't operate independently in natural populations. The consequences…

Q: hich of the following best explains how individuals who inherit phenylketonuria alleles can avoid…

A: Phenylketoneuria is a rare genetic condition in which a person is unable to dogest the amino acid…

Q: Certain genes influence the probability of developing Alzheimer’s disease or other conditions that…

A: Alzheimer’s disease is the major cause of dementia in people who are older than 65 years. It is a…

Q: Identify each of the following as an example of allele, genotype, and/or phenotype frequency: A.…

A: Allele frequency is defined as the number of individual alleles of a certain type divided by the…

Q: A form of learning disabilities and speech impairment results from a recessive mutation in the HERC2…

A: Frequency of homozygous dominant genotype AA = p2  Frequency of homozygous recessive genotype aa =…

Q: What is the frequncy of the recessive allele and what is the probability a couple are both carriers…

A: Tay−−Sachs disease is an autosomal recessive neurological disorder that is fatal in infancy. Despite…

Q: Goswami disagrees with the Darwinian concept of canalized behavior. What are his main criticisms of…

A: The Darwinian concept of canalized behavior refers to the idea that certain behaviors are innate and…

Q: here is a benign congenital condition called Hereditary Persistence of Fetal Hemoglobin (HPFH) in…

A: Hereditary Persistence of Fetal Hemoglobin is the condition when there is still fetal hemoglobin…

Q: Question 2: According to the generaized selection model, the change in allelic frequency due to the…

A: The question is asking us to create predictions about the alteration in allelic frequencies in two…

Q: With directional selection against the A₁ allele we can predict that it will either become rare or…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Using the picture below of the triangles and pentagon answer this question: 2.a) Identify potential…

A: A synapomorphy is a shared, derived character that is common between an ancestor and its…

Q: which illustrates Buri’s experiment on genetic drift in populations of Drosophila. List evidence…

A: Due to random sampling of organisms, the change in the allelic frequency within the population over…

Q: Read the following statements CAREFULLY: I. Dorso-ventral patterning in fruit flies is established…

A: 1 Statement is False.  Because dorsal-ventral patterning in fruit flies is determined by Gurken…

Q: Many genetic studies, particularly those of recessive traits, have focused on small, isolated human…

A: The study of the isolated population has helped to know the genetic variation in individuals and in…

Q: Please answer fast If antibiotic resistance is not an inherited trait, which graph below is a…

A: If antibiotic resistance is not an inheritable trait, dependent variable is in no relation to…

Animal Behavior

Animal behavior can be defined as all the things that animals do. In response to a stimulus, an animal performs a certain fixed action pattern, or FAP, of behavior. This response occurs to make the animal more adaptable to change. So, behavior is generally a stimulus-oriented response. A behavior is an expression of the capabilities of the nervous system. A stimulus is determined by the environment, while the nervous system determines a response.