Which of the following statements about epigenetics is correct? 1. Epigenetic drugs could be promising for treating anxiety. 2. Maternal care can have a significant impact on the epigenome. 3. Changes in the epigenome can lead to cancer. 4. Schizophrenic patients may benefit from epigenetic drugs. O A. 1, 2 and 3 B. 1 and 3 O C. 2 and 4 D. 4 only E. All of 1, 2, 3 and 4 are correct.
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- Why would a scientist wish to induce mutations? a. to increase the number of mutated phenotypes b. to create mutations in specific genes c. to test for carcinogen activity d. to create tumors for cancer research e. because she was crazier than a mutated bedbugA student wants to observe how the environment of bacteria affects gene expression. How should the experiment be designed? A. exposing the same species of bacteria to the same carbohydrates in each sample B. exposing the same species of bacteria to different carbohydrates in each sample C. exposing different species of bacteria to the same carbohydrates in each sample D. exposing different species of bacteria to different carbohydrates in each sampleWhat degree of differences would you expect to see in the DNA base sequences and epigenetic marks of monozygotic twins? a. Similar differences in DNA base sequence and epigenetic marks b. Greater differences in DNA base sequence than epigenetic marks c. Greater differences in epigenetic marks than DNA base sequence d. No differences in either DNA base sequence or epigenetic marks
- A. Which genes could be used to monitor the process of the disease? B.  If you worked for a drug company developing a treatment for the cancer, which genes would you target to turn on in cancer cells? C. Which genes would you target to turn off in cancer cells?Which of the following is not a major mechanism of epigenetic change? a. DNA methylation b. Alteration of a DNA base sequence in a promoter c. Histone acetylation d. Action of RNA moleculesWhich of the following is an example of epigenetics? a. X-inactivation. b. metagenomic analysis of microbial communities. c. using proteins to inhibit transcription. d. using PCR to amplify copies of genes.
- First, compare and contrast genetic inheritance vs epigenetic inheritance. Next, explain why prion diseases are considered an epigenetic phenomenon. I want long detailed answerWhich of the following describes an oncogene Group of answer choices A. a gene that stimulates cell division that is malfunctioning B. a cell whose normal function is to cause cancer C. a gene that controls body axes D. a hox gene E. a gene that prevents tumorsWhat are epigenetic modifications? a. the addition of reversible changes to histone proteins and DNA b. the removal of nucleosomes from the DNA c. the addition of more nucleosomes to the DNA d. mutation of the DNA sequence
- A scientist does an experiment in which she removes the offspring of rats from their mother at birth and has her genetics students feed and rear the offspring. Assuming that the students do not lick and groom the baby rats as the mother rats normally do, what long-term behavioral and epigenetic effects would you expect to see in the rats when they grow up?Epigenetics is a HUGE new field in understanding health factors that are transmitted from generation to generation beyond simple genetic inheritance. For example: epigenetic factors contribute to the onset of disease by triggering underlying genetic information. What do you think about that?A geneticist interested in immune function induces random mutations in a number of specific genes in mice and then determines which of the resulting mutant mice have impaired immune function. This procedure is an example of a. forward genetics. b. reverse genetics. c. both forward and reverse genetics. d. neither forward nor reverse genetics