epigenetic changes results from a) mutations in DNA b) environmental signals c) gene expressions d) differentation
Homework Answers
B is the correct choice.
Epigenetic changes are the changes or modification in DNA which are the result of environmental signals on the gene expression. Histone modification and chromatin changes are the result of epigenetic alteration.
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epigenetic changes results from
a) mutations in DNA
b) environmental signals
c) gene expressions
d) differentation
Which of the following changes to DNA can be part of epigenetic regulation of gene expression?...
Which of the following changes to DNA can be part of epigenetic regulation of gene expression? Choose both correct answers. degradation of mRNA that is no longer needed methylation of DNA acetylation alternate mRNA splicing
What does the phrase "epigenetic transgenerational inheritance of disease susceptibility" mean? Question options: a) changes to...
What does the phrase "epigenetic transgenerational inheritance of disease susceptibility" mean? Question options: a) changes to factors that affect gene expression, that are passed down to offspring, and affect whether or not offspring will get a particular disease b) changes to DNA sequences, that are passed down to offspring, and affect whether offspring will get a particular disease c) changes to factors that affect gene expression, that can be passed on from offspring to parents, and affect whether or notparents...
Mutations in the gene that codes for the protein P53 are linked to cancer because: Changes...
Mutations in the gene that codes for the protein P53 are linked to cancer because: Changes to the shape of P53 can result in growth factor receptors that continue to signal even when there are no growth factors present Changes to the shape of P53 can result in a protein that replicates DNA all the time, not just during S phase Changes to the shape of P53 can prevent growth factor receptors from receiving signals Changes to the shape of...
Mutations arc changes in the DNA sequence of organisms and are the primary source of variation...
Mutations arc changes in the DNA sequence of organisms and are the primary source of variation in populations. Brainstorm with your group mates some known mutations in the human population (some examples are provided): Of the mutations listed above, which ones do you predict to affect the "fitness" (ability to reproduce) of the individual? How (is it beneficial or detrimental)? Of the mutations listed above, which ones do you predict to affect the "fitness" (ability to reproduce) of the population?...
Cancers arise from a multistep process that involves the interplay of multiple changes, or mutations, in...
Cancers arise from a multistep process that involves the interplay of multiple changes, or mutations, in several different genes, in combination with environmental factors such as diet or lifestyle. Based on the relationship between genetic alterations and cancer development, please answer the following prompts: If mutated, what gene would lead to the proliferation of cells that survive when they should not? If mutated, what gene would lead to further mutations in other genes? Identify and describe each stage of multistage...
How do epigenetic traits differ from traditional genetic traits, such as the differences in color and...
How do epigenetic traits differ from traditional genetic traits, such as the differences in color and shape of peas that Mendel studied? A) Phenotype is stably inherited by offspring. B) Phenotype is not transmitted to offspring. C) New phenotype involves changes to the DNA sequence. D) New phenotype is caused by modifications to chromatin. E) Phenotype can be influenced by environmental factors.
QUESTION 7 What are the potential consequences of un-repaired DNA damage (i.e. mutations) (select all that...
QUESTION 7 What are the potential consequences of un-repaired DNA damage (i.e. mutations) (select all that apply)? A. Somatic mutations lead to changes in fitness for the affected individual ONLY B. Germ line mutations lead to cancer or other disease in the affected individual ONLY OC. Somatic mutations lead to cancer or other disease in the affected individual ONLY D. Germ line mutations lead to generation of new alleles that are passed on to the progeny E. Germ line mutations...
Shown below is the anti-sense DNA sequence from a region of a gene that produces a...
Shown below is the anti-sense DNA sequence from a region of a gene that produces a specific protein. Mutations in this region of the gene cause a disease CTT TTA TAG TAG ATA CCA CAA AGG a. What is the mRNA strand that is transcribed from the DNA shown above? b. What is the amino acid sequence that would be translated from the mRNA strand you determined in part 1? c. If an individual has a G at position 15...
1) True/False: Our epigenetic code is inherited by the passing of DNA sequences. 2) Drugs that...
1) True/False: Our epigenetic code is inherited by the passing of DNA sequences. 2) Drugs that target viral gene expression must accomplish __________ in order to be functional in human hosts. A. Block viral entry B. Reverse transcriptase C. Block viral genetic takeover D. All of the above
DNA is a genetic material that______ a. replicate b. undergoes mutations c. stores information d. all...
DNA is a genetic material that______ a. replicate b. undergoes mutations c. stores information d. all of the above
Mutations in the gene that codes for the protein P53 are linked to cancer because: Changes to the shape of P53 can result in growth factor receptors that continue to signal even when there are no growth factors present Changes to the shape of P53 can result in a protein that replicates DNA all the time, not just during S phase Changes to the shape of P53 can prevent growth factor receptors from receiving signals Changes to the shape of...
Mutations arc changes in the DNA sequence of organisms and are the primary source of variation in populations. Brainstorm with your group mates some known mutations in the human population (some examples are provided): Of the mutations listed above, which ones do you predict to affect the "fitness" (ability to reproduce) of the individual? How (is it beneficial or detrimental)? Of the mutations listed above, which ones do you predict to affect the "fitness" (ability to reproduce) of the population?...
QUESTION 7 What are the potential consequences of un-repaired DNA damage (i.e. mutations) (select all that apply)? A. Somatic mutations lead to changes in fitness for the affected individual ONLY B. Germ line mutations lead to cancer or other disease in the affected individual ONLY OC. Somatic mutations lead to cancer or other disease in the affected individual ONLY D. Germ line mutations lead to generation of new alleles that are passed on to the progeny E. Germ line mutations...
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