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- Explain how changes in your epigenome can alter the DNA of your future children before they are even born.
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- Are all of your genes expressed in every cell in your body? Explain your answer and include an example in your explanation.how can having extra copies of x or y chromosomes create genetic problems?Which of the following genetic changes would be passed from parent to child? A duplication of chromosome 21 during mitosis in a pancreas cell The addition of a chromosome in an egg cell A mutation in a skin cell caused by UV light A translocation in a nonhomologous pair of chromosomes in a liver cell
- As a physician, you deliver a baby with protruding heels and clenched fists with the second and fifth fingers over-lapping the third and fourth fingers. a. What genetic disorder do you suspect the baby has? b. How do you confirm your suspicion?Duchenne Muscular Dystrophy (DMD) is a disease that manifests in muscle weakness. It exhibits X-linked recessive inheritance pattern. The dystrophin gene is large and can have many different mutations along the DNA. From the following mutations between the gene sequence (DNA template strand) of a healthy male and an affected brother determine if they would affect the production of mRNA or the sequence of the protein. Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons. Mutation 1: Position -6 Healthy individual A Affected brother C Group of answer choices A. Normal mRNA, normal protein B. No mRNA produced (promoter affected) C. Abnormal mRNA, affected protein D. Normal mRNA, affected protein Base your analysis on the position of the mutation in the transcription unit, and the impact of the change on the codons.https://ny.pbslearningmedia.org/resource/biot09.sci.life.gen.epigenetics/epigenetics/ Explain how two genetically identical twins are not really identical.
- Why is it difficult to study whether a trait is due to epigenetic changes or due to something else? (Hint: What are the other things that may cause disease?) (Minimum of 2 complete sentences.)Photography booths that claim to produce pictures of what a male or female child of any given couple will look like are beginning to appear in arcades throughout the country. A couple enters the booth, a camera takes their pictures, and then a computer program analyzes and blends the morphologies of the two people to produce images of a male child and a female child they might create. In genetic terms, why will the couple be wasting their money if they buy these computer images? (Respond in at least 2 paragraphs)The following is true about epigenetic gene control: O epigenetic changes to the chromatin may result from childhood development epigenetic changes to the chromatin may result from chemicals in the environment O epigenetic changes to the chromatin may result in cancer O An example of a chromatin change is DNA methylation that prevents gene expression from that area of the DNA
- How can you envision using this new information? Discuss how things that we do to our bodies (smoking, recreational drugs, employment environments, stress levels, eating/drinking habits, etc.) can influence genetic expression in our future child(ren).What types of behaviours or environmental circumstances can lead to changes in an individual’s epigenome? Explain.(Grade 12 Genetics) #1 UUU CCU AGU GGU #2 UUC CCA AGC GGC #3 UUC CCG AGA GGA Despite the fact that one of the mRNA sequences above codes for a different protein, it IS possible that it will be translated into the same protein as the other two. Explain how this might happen.