A nerve cell and a skin cell from the same person have Group of answer choices A. different gene expression B. different versions of genes C. same gene expression D. none of the above E. different genes
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A nerve cell and a skin cell from the same person have
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- The only thing that effects gene expression is if the gene is dominant Choose: A. Yes, all genes are either dominant or recessive B. No, all dominant genes are the best option but might not be expressed C. No, there are other factors that can determine gene expression D. Yes, all genes can be expressed if your cell wants toBeadle and Tatum’s BEST contribution to how gene expression is understood can be summarized as what? A. One gene produces one protein. B. Independent assortment occurs. C. DNA is the genetic molecule. D. Information flows from DNA to RNA to protein.1. After receiving the SR signal, stem cells in the developing organism will have an increased potential to specialize. The __ genes, when expressed, enable these embryonic stem cells the capacity to differentiate. A. SR B. Skin Diff C. ID D. Neural Diff E. DIV F. DET Please answer in short and ASAP .
- True or false? Gene expression patterns can be inherited.DNA methylation is A. heritable and generally activates gene expression. B. heritable and generally represses gene expression. C. not heritable and generally represses gene expression. D. not heritable and generally activates gene expression.Which of the following would improve an individual's ability to cancer while aging?: a. decreases DNA repair accuracy during mitosisb. makes him smaller (e.g., fewer total cells)c. Increase the rate of mitosisd. increases his number of copies of p53e. all of the abovef. none of the above
- Which of the following would improve an individual's ability to avoid cancer while aging?: a. decreases DNA repair accuracy during mitosisb. makes him smaller (e.g., fewer total cells)c. Increase the rate of mitosisd. increases his number of copies of p53e. all of the abovef. none of the aboveSome mutations result in proteins that function well at onetemperature but are nonfunctional at a different (usuallyhigher) temperature. Siamese cats have such a “temperaturesensitive” mutation in a gene encoding an enzyme that makesdark pigment in the fur. The mutation results in the breed’sdistinctive point markings and lighter body color (see thephoto). Using this information and what you learned in thechapter, explain the pattern of the cat’s fur pigmentationBRCA1 is a gene that codes for a tumor suppressor protein. If a person inherits a mutation in BRCA1, it greatly increases his or her risk of developing breast cancer. Are the cancer-causing mutations in the BRCA1 gene more likely to: A) not affect expression of the gene B) increase expression of the gene C) decrease expression of the gene
- If two mutational events are sufficient to cause some forms of cancer, what distinguishes familial forms (i.e. those that "run in families") of cancer from spontaneous cases? A. spontaneous forms inherit both mutations B. familial forms are caused by chance alone C. familial forms inherit one mutation D. there is no difference E. none of the aboveWhich of the following can lead to cancer?a. smokingb. pollutionc. mutations of Rb and p53d. All of the above.How may genes play a role in the susceptibility of inheriting cancers? The reproductive system discusses reproductive disorders like breast and prostate cancer. So, if an individual has a mutated gene such as the BRCA gene do you think the environment could play a role in gene expression?
