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Q: Define gene locus
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A:
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Q: SCENARIO: MM, a 54-year old female presents to the Family Medicine Clinic due to a 2-week history…
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- Which of the following is NOT true regarding Hox genes. A) The sequence they appear in their corresponding chromosomes is the same order of their expression along the front to back of the developing animal. B) Homologues of the same Hox genes found in flies can be found in humans. C) Hox genes are only found in animals with bilateral symmetry. D) Animals with more complex body plans tend to have more sets of Hox genes through gene duplication events.For each of the following, identify whether the statement about Hox genes is true for Drosophila only, vertebrates only, or both Drosophila and vertebrates. Hox genes are present in the genome. Both Drosophila and vertebrat v Different hox genes are expressed in [Choose ] body segments along the anterior- posterior body axis. Duplication has resulted in several hox [Choose] gene clusters in the genome. Hox genes are expressed after gap [Choose ] genes and pair-rule genes.If myoglobin is found in all chordates, urochordates, and cephalochordates, b-globin is found in all vertebrates, a-globin in all ostracoderm descendants, z-globin in all gnathostomes, e-globin in all viviparous mammals, and g-globin in all placental mammals, then the most ancient of these genes: must be epsilon-globin (e-globin), found only in descendants of the ancestral marsupials must be myoglobin, found only in descendants of the chordates, urochordates, and cephalochordates must be gamma-globin (g-globin), found only in descendants of the ancestral placentals must be zeta-globin (z-globin), found only in descendants of the ancestral gnathostome fishes must be beta-globin (b-globin), found only in descendants of the ancestral vertebrates
- SCENARIO: MM, a 54-year old female presents to the Family Medicine Clinic due to a 2-week history of increasing shortness of breath and cough and mild/moderate pain in left side. She was diagnosed with infiltrating intraductal adenocarcinoma of the left breast 5 years ago; at that time, ER(-)/ PR(-); her-2/neu(+); p53(+); staged as having T3N1M0, stage IIIA, high-risk breast cancer. She underwent a modified radical mastectomy with axillary node dissection followed by 6 cycles of CMF chemotherapy. Her mother and sister also had a history of breast cancer. Past Medical History Gravida 4, para 4; menses onset age 13; HTN x 10 years; Type 2 DM x 8 years; breast CA described above; remained disease free until present follow up. Past Surgical History: Left modified radical mastectomy 5 years ago; cholecystectomy 14 years ago. Medications: Glyburide, 5mg PO BID Verapamil SR, 240mg PO daily Furosemide, 40mg PO daily Allergies: NKDA Physical Examination: GEN: Well-developed, obese…Explain whether the statement "The normal gene function is required for the viability of the zebrafish." is true, or falseIdentify whether the claim "The normal gene function is essential for the viability of the zebrafish" is accurate, false, or whether there is not enough information to make a decision based on the question.
- "Coat color in rats varies from white to black and includes many shades of gray in between. If the number of different coat colors possible is 9, how many genes are involved? "Is the following true or false AND EXPLAIN: Cells with one functional copy of a proto-oncogene will usually proliferate faster than normal cells.SCENARIO: MM, a 54-year old female presents to the Family Medicine Clinic due to a 2-week history of increasing shortness of breath and cough and mild/moderate pain in left side. She was diagnosed with infiltrating intraductal adenocarcinoma of the left breast 5 years ago; at that time, ER(-)/ PR(-); her-2/neu(+); p53(+); staged as having T3N1M0, stage IIIA, high-risk breast cancer. She underwent a modified radical mastectomy with axillary node dissection followed by 6 cycles of CMF chemotherapy. Her mother and sister also had a history of breast cancer. Past Medical History Gravida 4, para 4; menses onset age 13; HTN x 10 years; Type 2 DM x 8 years; breast CA described above; remained disease free until present follow up. Past Surgical History: Left modified radical mastectomy 5 years ago; cholecystectomy 14 years ago. Medications: Glyburide, 5mg PO BID Verapamil SR, 240mg PO daily Furosemide, 40mg PO daily Allergies: NKDA Physical Examination: GEN: Well-developed, obese…
- DNA regions that are syntenic (i.e., exhibit synteny) between humans and mice would be expected to be which of the following? Pick one. Be expressed in the same type of tissue Be present at some non-chromosomal location such as mitochondrial DNA Have one or more additional copies elsewhere in the genome Have the same genes in the same orderSCENARIO: MM, a 54-year old female presents to the Family Medicine Clinic due to a 2-week history of increasing shortness of breath and cough and mild/moderate pain in left side. She was diagnosed with infiltrating intraductal adenocarcinoma of the left breast 5 years ago; at that time, ER(-)/ PR(-); her-2/neu(+); p53(+); staged as having T3N1M0, stage IIIA, high-risk breast cancer. She underwent a modified radical mastectomy with axillary node dissection followed by 6 cycles of CMF chemotherapy. Her mother and sister also had a history of breast cancer. Past Medical History Gravida 4, para 4; menses onset age 13; HTN x 10 years; Type 2 DM x 8 years; breast CA described above; remained disease free until present follow up. Past Surgical History: Left modified radical mastectomy 5 years ago; cholecystectomy 14 years ago. Medications: Glyburide, 5mg PO BID Verapamil SR, 240mg PO daily Furosemide, 40mg PO daily Allergies: NKDA Physical Examination: GEN: Well-developed, obese…Match the numbered concepts to the lettered facts. Explain why each pair is the best match. (1) Gene Duplication (2) Molecular Clock (3) Pseudogene (4) SINES and LINES a. Different kinds of globin chains arose over time including myoglobin, alpha globin, beta globin 1, delta globin, and beta globin 2.b. The two human beta globin genes, 1 and 2, differ at 20 base pair sites; only beta gene 1 produces a functional protein.c. In human hemoglobin, the delta polypeptide chain differs by 39 amino acid sites vs. the beta chain.d. The human alpha globin gene and the mouse alpha globin gene are orthologous to each other.