The FOXP2 gene is associated with speech in humans. It is also found in chimpanzees, gorillas, orangutans, rhesus macaques, and even the mouse, yet none of these mammals speak. Develop a hypothesis that explains why FOXP2 supports speech in humans but not in other mammals.
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The FOXP2 gene is associated with speech in humans. It is also found in chimpanzees, gorillas, orangutans, rhesus macaques, and even the mouse, yet none of these mammals speak. Develop a hypothesis that explains why FOXP2 supports speech in humans but not in other mammals.
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- One of the two genes known to be mutated in cases of Hypokalemic periodic paralysis (which is inherited in an autosomal dominant pattern but known to affect males more often than females) is the calcium voltage-gated channel subunit alpha1 S (CACNA1S). What is known about the gene is recorded here: https://www.ensembl.org/Homo_sapiens/Gene/Summary?db=core;g=ENSG00000081248;r=1:201039512-201112451 Please navigate to the link above and ensure that you click to reveal the transcript table. Then use the information in the table to answer the following question. PLEASE GIVE YOUR ANSWER AS A NUMBER ONLY, NO UNITS What is the size in base pairs of the CACNA1S transcript named CACNA1S-202? Answer: The size of the CACNA1S transcript named CACNA1S-202 isOne of the two genes known to be mutated in cases of Hypokalemic periodic paralysis (which is inherited in an autosomal dominant pattern but known to affect males more often than females) is the calcium voltage-gated channel subunit alpha1 S (CACNA1S). What is known about the gene is recorded here: https://www.ensembl.org/Homo_sapiens/Gene/Summary?db=core;g=ENSG00000081248;r=1:201039512-201112451 Please navigate to the link above and use the information and link-outs from the page to answer the following questions ANSWER ONLY IN UPPERCASE LETTERS, NO UNITS: Using the left-hand menu to view the sequence for CACNA1S, what are the last three nucleic acid bases of exon 1?One of the two genes known to be mutated in cases of Hypokalemic periodic paralysis (which is inherited in an autosomal dominant pattern but known to affect males more often than females) is the calcium voltage-gated channel subunit alpha1 S (CACNA1S). What is known about the gene is recorded here: https://www.ensembl.org/Homo_sapiens/Gene/Summary?db=core;g=ENSG00000081248;r=1:201039512-201112451 Please navigate to the link above and use the information and link-outs from the page to answer the following question. What is the NCBI accession number (including the version) of the RefSeq Match for the first transcript (CACNA1S-201)?
- Based on the NCBI Blastp and reciprocal analysis, are there any mutations to suggest that mus musculus is a good model to test the human FGFR3 gene. This is the only model we have to go off of to predict whether a mouse is suitable. I can’t seem to grasp what exactly I’m suppose to look for in these two photos.Opsin proteins detect light in photoreceptor cells of theeye and are required for color vision. The nocturnal owlmonkey, the nocturnal bush baby, and the subterraneanblind mole rat have different mutations in an opsin genethat render it nonfunctional. Explain why all three species can tolerate mutations in this gene that operates inmost other mammals.Pax6 is a gene that is involved in mammalian eye development. Mutations in this gene result in a lack of iris in humans, and mice that are homozygous for the mutation lack eyes completely. Mutations in the eyeless gene in the fruitfly Drosophila result in reduced eyes. Expressing Pax6 from mammals in other tissues of Drosophila during its embryonic development can result in an ectopic eye (e.g. an eye expressed in a different tissue type). An example of an ectopic eye on the antenna of Drosophila is shown below. Part A: The eye of humans, mouse, and fly are an example of the following (check all that apply) A. Structural analog B. Structural homolog C. Developmental homolog D. Genetic homolog Part B: Darwin's hypothesis of natural selection has two components: Species are not static but change through time Species are related, and not independent. In what ways does the human, mouse, and fly eye support or contradict one or both of the two components of…
- You hope to study a gene that codes for a neurotransmitter protein produced in human brain cells. You know the amino acid sequence of the protein. Explain how you might (a) identify what genes are expressed in a specific type of brain cell, (b) identify (and isolate) the neurotransmitter gene, (c) produce multiple copies of the gene for study, and (d) produce large quantities of the neurotransmitter for evaluation as a potential medication.The phenotype of a heterozygous mouse (Aa) is agouti. The agouti banding pattern is due to altered expression of the agouti gene. Which of the following statement is false? a) Expression of the agouti gene inhibits the production of eumelanin. b) Evidence suggests that the agouti gene is only expressed in tissues associated with fur production. c) Epigenetic markers silence the agouti gene resulting in dark pigmentation at the tip and root of the hair. d) All of the aboveMutations within the genes for ARSs, are known to be cause certain human maladies, such as the neurodegenerative disorder Charcot-Marie-Tooth (CMT) disease along with other central nervous system dysfunctions, and cancer. Interestingly, not all those who possess mutations within specific ARS genes do not display the disease phenotype. Provide at least one reason why a person might survive. Remember, do not just name a concept. Describe the concept and then explain WHY (on a molecular level) this explanation holds true.
- 84. Neurobiology of speech and language has been studied in a family in which half of the members have severe impairment in both speech and language. The mutation responsible for the phenotype was identified in the FOXP2 gene. In addition, this gene is found on a chromosome segment tightly linked to autism, a disorder in which language is impaired. How would you directly test the hypothesis that this gene is necessary for vocal communication in other mammals? a. Use molecular genetic techniques to disrupt (inactivate) the mouse Foxp2 gene and observe the effect on ultrasonic vocalizations in the knockout mice. b. Determine the DNA sequence of the FOXP2 gene in several species of mammals that communicate vocally and compare these sequences to the DNA sequence for the human gene to determine whether the gene is evolutionarily conserved. c. Compare neural expression patterns of the FOXP2 gene between species that communicate vocally and related species that do not communicate vocally to…Marilyn Houck and Margaret Kidwell proposed that P elements were carried from Drosophila willistoni to Drosophila melanogaster by mites that feed on fruit flies (M. A. Houck et al. 1991. Science 253:1125–1129). What evidence do you think would be required to demonstrate that D. melanogaster acquired P elements in this way? Propose a series of experiments to provide such evidence.given a situation in which you manipulated a zebrafish embryo by injecting high levels of retinoic acid so that no anterior genes will be expressed. Surprisingly, after embryonic development, you are still able to observed the presence of anterior structures. What could explain this observation? What changes in your experiment would you make to achieve your objective?