Your classmate claims that they can correctly identify the genotype of her guinea pig just by looking at its phenotype. If your classmate is correct, what is the genotype and phenotype of her guinea pig? Explain your answer.
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Q: Is it possible for two individuals to have the same phenotype but different genotypes? The same…
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Q: Which is an example of a genotype: brown hair OR brown hair allele?
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Q: What is the difference between a gene and an allele? Identify the following terms as either a…
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: In 1-3 sentences each define the follwing terms: genotype, phenotype, homozygous, heterozygous,…
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Why are phenotypes the product of both their genes and their environments?
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Q: Which question can the student answer using the Punnett square? A What alleles did the father…
A: The answer is given below.
Q: Which of the following models represents the genetic material that governs inherited traits? A C…
A: Genetic material that governs inherited traits.
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Q: What is the difference between genotype and phenotype?Give an example of each
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Q: Write a one-sentence definition of the term“genotype.” Do the same for “phenotype.”
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Q: Are these alleles common or rare in humans?
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Q: a) Which two genes are linked? Show or explain how you know. b) How far apart are those genes?
A: …
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- 1. The first genetic test used a short DNA sequence that was closely linked to the Huntington’s locus. The linkage distance between the DNA sequence used in the test and the actual Huntington’ disease locus was 5%. a. In a large sample of the Venezuelan family (over 2,000 individuals), what percentage of people would inherit the DNA sequence but not the Huntington’s allele (i.e. be a false positive test for Huntington’s)? b. What percentage of that large Venezuelan family would not inherit the DNA sequence but would inherit the Huntington’s allele (i.e., be a false negative test for Huntington’s)?Background information for problem #5 In humans there is a gene that controls formation of hemoglobin (the protein in red blood cells {RBC's} that is responsible for carrying oxygen to the tissues of the body). The normal allele of this gene codes for normal hemoglobin. However, there is another allele for this gene that contains a mutation in the DNA and the resulting hemoglobin protein is defective. An RBC with this defective hemoglobin will, under stress, crystallize within the cell and cause a characteristic sickle shape. While the letters S and s are often used to represent these alleles, in reality neither is dominant to the other (codominant). Someone who is SS makes all normal hemoglobin, someone who is ss makes all abnormal hemoglobin (someone who has sickle-cell anemia), and someone who is Ss essentially has two sets of instructions (and so makes some of each kind of hemoglobin; often referred to as sickle-cell trait). Because the RBC's of a person who is ss contain all…4. Allele specific oligo-nucleotide hybridization is a genetic test used to look for single nucleotide polymorphisms (SNPS) associated with genetic diseases. It uses short sequences of labeled DNA as probes to bind onto either the normal allele or mutated allele in a patient's sample. Given that hemocystinuria is an autosomal recessive disease, use the results from the ASOH test below to determine the GENOTYPE and PHENOTYPE of the newborns born at Henry Mayo Hospital this week. Luis Mina Emma Elias Genotype Phenotype Allele H probe Allele h probe Luis Mina Emma Elias
- 9.) In humans, when a dark-skinned person reproduces with a very light- skinned person, their children may range in color from dark to brown. This occurs because skin color is controlled by more than one gene (the exact # of genes is not known). For your convenience, a table is presented below that shows several possible genotypes & phenotypes: Genotypes Phenotypes Very dark skin Dark skin AABB AABB or AaBB AаBb, AAЬЬ, or aaBB Aabb or aaBb Medium brown skin Light skin Very light skin aabb If a man with dark skin whose genotype is AABB reproduces with a woman who has light skin (aaBb), what are the possible skin colors that their children will have? Develop a Punnett square and list the possible genotypes & phenotypes.6. There are two enzymes LDH1 and LDH2. The gene that encodes this enzyme is X-linked. You extract the enzyme from different cells in several people and carry out electrophoresis. Give the genotypes for each person Draw the banding pattern that you would expect in the gel. Male with Male with Female Female Heterozygous LDH1 gene homozygous female LDH2 homozygous for LDH2 for LDH19.) In humans, when a dark-skinned person reproduces with a very light-skinned person, their children may range in color from dark to brown. This occurs because skin color is controlled by more than one gene (the exact # of genes is not known). For your convenience, a table is presented below that shows several possible genotypes & phenotypes: Genotypes Phenotypes AABB Very dark skin AABb or AaBB Dark skin AaBb, AAbb, or aaBB Medium brown skin Aabb or aaBb Light skin aabb Very light skin If a man with dark skin whose genotype is AaBB reproduces with a woman who has light skin (aaBb), what are the possible skin colors that their children will have? Develop a Punnett square and list the possible genotypes & phenotypes.
- 1. What role does a patient's genetics have in their symptoms of muscular dystrophy? What causes various mutations to cause distinct symptoms? (two to three sentences) (Think about why various mutations in different genes cause different illnesses.)2. What can family history teach you about a patient's muscular dystrophy inheritance and, hence, genetic basis? (two to three sentences)3. The X-chromosome contains the mutation that causes Duchenne Muscular Dystrophy (DMD). Explains how this impacts DMD inheritance and why DMD patients are disproportionately male. (two to three sentences)10 11012 130 14 150 30 170 19C U 2.EVC syndrome O 3. All of the above QUESTION 5 What is the difference between a phenotype and a genotype? O 1.A phenotype is the set of genes an organism carries, a genotype is the organism's observable characteristics O 2. A phenotype is the organism's observable characteristics, a genotype is the set of genes an organism carries QUESTION 6 On a Punnett Square, which combination shows heterozygous alleles? O 1. BB O 2. bb O 3. Bb Click Save and Submit to save and submit. Click Save All Answers to save all answers. 44°F Mostly c の f1 fi0 fe t9 144 f7 1- fs 10 米 & 6. 8. 3. 4 近 %246. Identify the mode of inheritance for the following pedigree. Provide the genotypes of indicated individuals. ? Genotypes: Il-1 IV-1 V-6 Il-2 IV-2 V-12 Il-3 IV-3 V- 14 III-1 IV-4 V-16 III-13 V- 1 V-19
- 16. An adopted man wants to know his ancestry and purchases the 23andMe genotyping service. His report comes back with his autosomal DNA being a mix of European (mostly Irish), Sub-Saharan African, and East Asian. His mtDNA haplogroup indicates Sub-Saharan African descent, and his Y chromosome belongs to the Asian haplogroup C-M217 (shared a. His mother was of Sub-Saharan African descent b. His mother must have had African and Asian parents c. His father is of Asian descent d. a, b, and c e. a and c only1. How would you determine whether a disease in humans is simply polygenic (genes from your parents) or has an environmental influence? 2. If identical twins have exactly the same genetic makeup, why are there any differences at all between them? Please write at least 6 sentences for each question.5. The following image is of ASO analysis performed at 90°C on a family with Ty Sachs (M and F are the parents, C1, C2 and C3 are the children), and 2 unrelated controls. These parents had a normal child and then had a child with Ty Sachs and they want to know if their third child will have it. The top ASO dot represents the Ty Sachs allele and the bottom represents the normal allele. b. What is the status of the 3 children? c. What are the controls? TZ N a. What is the status of the parents? (Have disease, are carriers, are normal?) d. The following panel is of a similar analysis done, excpet the technician found that the machine had been set to the wrong temperature for analysis. Is the temperature the machine set to higher or lower? Explain why. 6. A murder victim is found in an advanced state of decomposition and cannot be identified. Police suspect that the victim is one of 5 individuals reported missing by their parents. DNA typing (RFLP) is carried out against those 5 sets of…