31. Mutation in the AHR (Aryl Hydrocarbon Receptor) gene has a. made humans more susceptible to...
31. Mutation in the AHR (Aryl Hydrocarbon Receptor) gene has
a. made humans more susceptible to toxins found in smoke
b.made humans less susceptible to toxins found in smoke
c. the same mutations are present in chimpanzees
d. the same mutations are present in Neanderthals
Homework Answers
Answer made humans less susceptible to toxins found in smoke. Because these receptor are involved in aryl hydrocarbons reception so mutation in these will not detect these aryl hydrocarbons and less effectiveness occurs.
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31. Mutation in the AHR (Aryl Hydrocarbon Receptor) gene has
a. made humans more susceptible to...
Answer Choices: A) Only one of the strains has a mutation in an eye color gene....
Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
D) More information is needed to infer the location of
mutations.
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A–G). In each strain, the white eye trait is due to...
31. Neanderthals apparently made the famous wall paintings at Lascaux Cave. a. True b....
31. Neanderthals apparently made the famous wall paintings at Lascaux Cave. a. True b. False 32. The Arcy-sur-Cure cave ornaments…. a. may indicate that Neanderthals made at least some ornaments b. are disputed as Neanderthal ornaments by many c. were considered as Neanderthal due to a single bit of bone from behind the ear. d. all of the above e. none of the above 33. Homo heidelbergensis appears to have made the first blade tools. a. True...
Gene Mutation Worksheet 1. There are several types of gene mutations. (a) List two. (b) What...
Gene Mutation Worksheet 1. There are several types of gene mutations. (a) List two. (b) What do they have in common? (c) How are they different? 2. A geneticist found that a particular DNA mutation had no effect on the protein coded by a gene. What kind of mutation was this? Why? 3. (a) Name one amino acid that has more than one codon. (b) Name an amino acid that has only one codon 4. Look at the following sequence:...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dyst...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dystrophin. The dystrophin protein itself is 3684 amino acids in length. Calculate below the approximate size of the mRNA that encodes dystrophin. Approximately what percentage of the gene that encodes dystrophin is intron sequence? The human genome encodes a much greater variety and number of proteins than the...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be u...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be used when allele and genotype frequencies remain constant across generations in a population It can only be used when allele and genotype frequencies change across generations in a population It has no assumptions It mathematically shows how recessive alleles in a population decrease over time It reveals when allele frequencies change over time in a population Assuming Hardy-Weinberg Equilibrium, what percentage of individuals in...
A gene in species A has an orthologous counterpart in species B. When the two genes...
A gene in species A has an orthologous counterpart in species B. When the two genes are compared, a total of eight base- pair differences are found. The fossil record indicates that the last common ancestor of A and B lived 60 million years ago. What is the average rate at which base-pair mutations accumulate in these orthologous genes? One base-pair change every Select one: a. 10 million years O b. 2 million years O c. 20 million years O...
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and...
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and lung tissue. Your preliminary work has shown that heart and lung expression of this gene is controlled by a short fragment of DNA just upstream of the promoter. Based on this result, you decide to investigate this region further to understand its function. You decide to compare this sequence to the regulatory DNA of the same gene found in rats and humans. Using genome...
The correct answer will be upvoted with positive feedback, giving me incorrect answers will result in...
The correct answer will be upvoted with positive feedback, giving me incorrect answers will result in a downvote. Please don't answer if you don't know it! Evolution Connection The Evolution of Promoters The evolution of genes may be a familiar concept. Mutations can occur in genes during DNA replication, and the result may or may not be beneficial to the cell. By altering an enzyme, structural protein, or some other factor, the process of mutation can transform functions or physical...
beetles! (Show all your calculations below)_250/1000 :.25 =q? (Ooo total 92.25 p = PP : 250...
beetles! (Show all your calculations below)_250/1000 :.25 =q? (Ooo total 92.25 p = PP : 250 q=.5 pt.5-1 Pp: 500 a=green D: purple Frequency of P? S2 Frequency of p?_.5 PP: 250 P².5 (f) Has the population evolved?_yes Explain. alle frequencies Chanenfum Oyidik valves 3. Scientists have known for some time that humans carry a genetic mutation (known as CCR5-delta 32) that prevents the HIV virus from entering the cells of the immune system but have been unable to account...
The following statements apply to concepts and material discussed in Chapter 15; identify which statement is TRUE....
The following statements apply to concepts and material discussed in Chapter 15; identify which statement is TRUE. Answers: A common ancestor of two species on evolutionary trees can be found at the point where the two branches meet. Humans evolved from Neanderthals about 50,000 years ago. Mitochondrial DNA is not particularly useful when trying to determine the movement pattern of humans historically across the globe. Scientists can estimate when species diverged from a common ancestor by comparing their Karyotypes. We...
Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
D) More information is needed to infer the location of
mutations.
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A–G). In each strain, the white eye trait is due to...
Gene Mutation Worksheet 1. There are several types of gene mutations. (a) List two. (b) What do they have in common? (c) How are they different? 2. A geneticist found that a particular DNA mutation had no effect on the protein coded by a gene. What kind of mutation was this? Why? 3. (a) Name one amino acid that has more than one codon. (b) Name an amino acid that has only one codon 4. Look at the following sequence:...
Genetics Worksheet Week 3: Gene Regulation and Epigenetics 1. Duchenne muscular dystrophy is caused by a mutation in a gene that is 2.5 million nucleotides in length and encodes a protein called dystrophin. The dystrophin protein itself is 3684 amino acids in length. Calculate below the approximate size of the mRNA that encodes dystrophin. Approximately what percentage of the gene that encodes dystrophin is intron sequence? The human genome encodes a much greater variety and number of proteins than the...
A gene in species A has an orthologous counterpart in species B. When the two genes are compared, a total of eight base- pair differences are found. The fossil record indicates that the last common ancestor of A and B lived 60 million years ago. What is the average rate at which base-pair mutations accumulate in these orthologous genes? One base-pair change every Select one: a. 10 million years O b. 2 million years O c. 20 million years O...
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and lung tissue. Your preliminary work has shown that heart and lung expression of this gene is controlled by a short fragment of DNA just upstream of the promoter. Based on this result, you decide to investigate this region further to understand its function. You decide to compare this sequence to the regulatory DNA of the same gene found in rats and humans. Using genome...
beetles! (Show all your calculations below)_250/1000 :.25 =q? (Ooo total 92.25 p = PP : 250 q=.5 pt.5-1 Pp: 500 a=green D: purple Frequency of P? S2 Frequency of p?_.5 PP: 250 P².5 (f) Has the population evolved?_yes Explain. alle frequencies Chanenfum Oyidik valves 3. Scientists have known for some time that humans carry a genetic mutation (known as CCR5-delta 32) that prevents the HIV virus from entering the cells of the immune system but have been unable to account...
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