Midterm2Fall2023_practice

Problem 5

Genetics Challenge 1. The abbreviation for deoxyribonucleic acid is 26 2. A member of a gene pair that determines a specific trait is a(n) 3. is known as the Father of Genetics. has genes that are different for a trait, such as Tt. 4. A 38 31 53 5. The actual gene makeup of an organism is its 6. 7. 8. 54 9. A 57 20 12. A 13 16. A 2 13. According to the 18. A 10. The physical appearance of a trait is called the 11. Mendel experimented with 17. The 19. A 37 24 22. The 49 42 44 18 58 48 are physical characteristics of an organism that are passed down from one generation to 51 the next. 14. The traits of an organism are controlled by its 15. A 56 27 1 17 35 4 of 21 are rod-shaped structures found in the nucleus of every cell in an organism. 46 trait is expressed when two different genes for the same trait are present. 33 of independent 45 12 22 50 40 20. Organisms inherit genes in pairs, one from each 21. is the study of heredity. 28 34 41 gene pair consists of two dominant alleles or two…

A&P Practice Question 127

Problem 5: The following is a complex pedigree for two traits, red hair and body hair. What are the genetic basis of these traits. Are they related to each other. | 11 III IV V | 11 III IV V VI odo ㅇ 어디 ㅁㅁㅇㅇㅁ Red hair 어디 ㅇㅁㅇㅁㅇㅁ 3 -Red beard and body hair 몽 5000 50 600 0 ㅇㅁㅁㅁㅇ 궁 b. Do you think that the red-hair allele is common or rare in the population as a whole? 16000

Assessment criteria 1.3 Q3. (a) Explain the meaning of each of the following terms: (i) Variation (ii) Mutation a. Explain how mutation causes variation. Give examples. b. Explain how meiosis causes genetic variation in the gametes. (United Kingdom) Focu MacBook Pro

12 Genetics practice problem 5: Apply . In humans, the neurological condition Huntington's disease is due to a dominant allele (H). What are the expected genotype proportions and typical partner? Genetics practice problem 7: Apply • A dwarf corn plant is mated with a tall corn plant. All of the offspring are tall. What are the genotypes of the parents? Show the Punnett square to prove your answer. Genetics practice problem 6: Apply In humans, cystic fibrosis is a recessive condition. If a woman with cystic fibrosis has a child with a man who is homozygous typical (does not have CF), what is the probability that their child will have CF? 13 Dihybrid practice problems Following two traits from parents to offspring Step 1: Write allele and genotype keys Step 2: Determine genotypes of the parents Step 3: Determine GAMETES produced by each parent Step 4: Show fertilization (Punnett square)

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SCIENCE 9 WORKSHEET NO. 5-6 OUARTER 1- WEEKS 5-6 Problem Set Solve the following problems. 1. Show a cross between two heterozygous green pod and a homozygous yellow pad. 2. Show the cross between a homozygous constricted purple pod and a homozygous inflated yellow pod 3. What will be the genotype of the offspring if a cross between two heterozygous terminal purple flowers is done? 4. Show a cross between a heterozygous tall green plant and a homozygous short yellow plant. 5. Give the probability of having a heterozygous offspring if a cross between a heterozygous tall inflated pod plant and a homozygaus tall flat pod plant. 6. Acarrier of color blindness woman married a color- blind man. Is carrier offspring? 7. In cattle, the hornless condition (H) is dominant and the horned condition (h) is recessive. A bull without horns is crossed with a cow with harns. Of the four offspring, one (1) is horned and three (3) are hornless. Determine the genotype of the bull and the cow. 8. In…

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IMAGINE THE FOLLOWING SCENARIO Scene: The Highway Motel, #1 Dark Highway, Nowhere Setting: Room #13. The motel manager hears loud voices, a woman screams, and a shot rings out. The manager runs to the window in time to see the receding lights of a car leaving in a hurry. The door to room #13 hangs open. The manager runs to the open door to see a man lying face down in a pool of blood. He calls 911. The police arrive and begin to examine the crime scene. An apparent homicide, but with no obvious clues as to who committed the crime. Or...? A forensic specialist is called in to examine the crime scene and collect evidence. Even though it looks like the people involved left no evidence behind, the specialist can use laboratory tests that can tell who was at the crime scene from a single drop of blood or a lone hair. Is this a science fiction story, or reality? Very much a reality. Testing is routinely done in forensic testing labs across the U.S. and in many other parts of the world from…

Task 4 A. For the following genotypes state the ABO blood phenotype. |A|A_ IBIO_ 191⁰ - |A|B_ B. Using genetic diagrams, show how it is possible for a couple with a type A mother and a type B father can have a child with type O blood. C. Using genetic diagrams show how a type AB person with a type O partner have offspring that share neither of their phenotypes.

Questions How are the nitrogenous bases held together across the middle of a DNA strand?   What types of molecules make up the backbone of a DNA molecule? Procedure 6.1: DNA Replication. Read the procedure. You do not need the model kit. In fact, most of my students do not use it. Instead, you can just use paper and pencil and the letters for each DNA nucleotide: A, T, C, G.

Problem 7 In chickens, a dominant hereditary abnormality (e.g., creepers) causes death when the genotype is homozygous (CC). The recessive condition (cc) at this locus produces a normal phenotype. Another gene locus with co dominant alleles is known to govern feather color such that the genotype FF = black, ff= splashed white, and Ff = blue. Also, a completely dominant gene W produces white skin. Yellow skin is produced by the homozygous genotype ww. a. In CcFfWw x CcFfWw, what proportion of the live progenies is a.l Ceffww a.2 normal, blue feathered, white skinned a.3 ccFfWw a.4 carriers of the lethal gene a.5 white feathered, yellow skinned creepers b. In CCFFWW x ccffWw, what proportion of the offspring is b.1 ccFfww b.2 normal, white feathered, white skinned b.3 yellow skinned

STEM Workplace Practices

Unpacking Problem 491. What do a “gene for tassel length” and a “gene for rustresistance” mean?2. Does it matter that the precise meaning of the allelicsymbols T, t, R, and r is not given? Why or why not?3. How do the terms gene and allele, as used here, relate tothe concepts of locus and gene pair?4. What prior experimental evidence would give the corngeneticist the idea that the two genes are on separatechromosomes?5. What do you imagine “routine crosses” are to a cornbreeder?6. What term is used to describe genotypes of the typeT/t ; R/r?7. What is a “pollen parent”?8. What are testcrosses, and why do geneticists find themso useful?9. What progeny types and frequencies might the breederhave been expecting from the testcross?10. Describe how the observed progeny differ fromexpectations.11. What does the approximate equality of the first twoprogeny classes tell you?12. What does the approximate equality of the second twoprogeny classes tell you?13. What were the gametes from the…

PRACTICE QUESTIONS: Please show your work on Punnett squares wherever required. GENETICS 1. Name the scientist sometimes described as the "pioneer" of genetics. 2. Define the following terms: a) genotype b) phenotype d) dominant e) recessive c) allele 1. In humans normal thumbs (T) are dominant over hitch-hiker thumbs (t). A homozygous normal thumbed female is crossed with a male with hitch-hiker thumbs. What are the genotype and phenotype ratios of the F1 generation? Of the F2 generation? 2. In guinea pigs black fur (B) is dominant over white fur (b). Short hair (S) is dominant over long hair (s). If heterozygous female is crossed with a guinea pig with white and heterozygous short fur, what will be the phenotype ratio of the F1 generation? 3. Japanese four-o-clock's are an example of a plant that displays incomplete dominance. Plants can have red flowers (R) or white flowers (W). The heterozygous condition results in pink flowers. What would be the genotype and phenotype ratios of…

Task 5 A. Define the term epistasis. B. Labrador retrievers have 3 varieties of fur colour: yellow, chocolate or black. Two genes are involved, each with a dominant (Y and B) and a recessive allele (y and b). The allele Y codes for the ability to produce hair pigment: Yy and YY dogs have dark pigmented fur but all yy individuals are lighter coloured and yellow. The B allele codes for the ability to make hair with the darkest colouration: BB and Bb individuals have black fur, bb dogs have a lighter shade which is chocolate. In the blank Punnet Square below, calculate and state the ratio of phenotypes that occur with a cross between two individuals with the genotype YyBb.

Problem 1 In sheep, the allele for black wool (B) is dominant over the allele for white wool (b). Similarly, the allele for horns (H) is dominant over the allele for being hornless (h). Pure breeding horned sheep with black wool were crossed with pure breeding hornless sheep with white wool. 1. State the genotype and the phenotype of the F1 individuals produced as a result of this cross. 2. Two F1 offspring were mated together. Calculate the expected ratio of phenotypes in the F2 generation.

Assessment Directions: Write the letter of the correct answer. Do it on a separate sheet of paper. 1. Which is a more definite characteristic to show relatedness of two organisms? A. Similarity in development B. Similarity in courting behavior 2. Why do organisms with close biochemical similarities show stronger evolutionary relationships? A. They have varied and different ancestry. B. They have a common ancestor and have the same kind of proteins. C. They possess same vestigial structure that made their evolutionary. D. They have similar patterns during their early stages of development. 3. What evidence is present when DNA, gene codes and expressions, as well as amino acids are basically shared by related species at the most basic level? A. Fossil evidence C. Similarity in structure D. Similarity in genomic DNA C. Embryonic development evidence D. Comparative anatomy evidence 4. Which of the following statements is correct in terms of amino acid sequence? B. Genetic evidence A. The…

Problem 6 Short hair in rabbits is governed by a dominant gene (L) and long hair by its recessive allele (I). Black hair results from the action of the dominant genotype (B_) and brown hair from the recessive genotype (bb). a. Construct a Punnet square representing a cross between a dihybrid short, black, and homozygous short, brown rabbits. What genotypic and phenotypic ratios are expected among their progeny? b. Determine the expected genotypic and phenotypic ratios in progeny from the cross LLBB x Llbb. c. From crosses between LIBB and LIBB, c.1 What is the expected phenotypic ratio among the progenies? с. c.2 What progeny of the Fi genotypes breed true (i.e., what percentage is of homozygous genotypes)? c.3 What percentage of the F1 genotypes is heterozygous for only one pair of genes? c.4 What percentage of the F1 genotypes is heterozygous at both loci? c.5 What percentage of the F1 genotypes could be used for testeross purposes (i.c. homozygous double recessive)? c.6 What…

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PRACTICE QUESTION HW REVIEW DBQ LESSON 10.1 Pedigrees Construct a hypothetical pedigree that represents the inheritance pattern of Epidermal Flux Disorder (not a real disorder) Imagine a family tree detailing the inheritance pattern of Epidermal Flux Disorder (not a real disorder/fictional), a condition we'll say follows an autosomal recessive pattern.(It must follow an autosomal recessive pattern). • • • • • In this pedigree include 5 generations, 25 individuals, and 5 affected individuals. Proper Pedigree Notation (circles, squares, shading, etc.) Names, ages, and genotypes for all represented individuals (listed beside or under the representative symbol). Your pedigree should be Hand-drawn and legible. The pedigree chart should look similar to the example below. Draw the pedigree chart in this fashion using the guidelines above. 2 5 6 8 9 10 11 12 о 13 14 15 16 17 18 19

Practice Question Chapter 3 During the maturing process of certain cheeses, molds are added to the cheese to participate in the flavouring, protecting, and maturing of the cheese. If you like blue cheese, like Stilton cheese, eating Penicillium, the mold added to the cheese which gives it its distinct marbled colouring. Photo from Wikipedia. you like 2. How could a mold like Penicillium be protective against certain contaminants but not others? You shouldn't have to search the internet for an answer.

Q1 Unanswered 1. I want to do a PCR experiment that requires a final concentration of 2 uM of primers. If my primer stock solution is 10 uM, and my reaction volume is 25 ul, how much primer solution do I add? B. 2.5 ul 5 ul 10 ul D. A Submit L11.pdf 1/11 answered

Problem 2 3. In Drosophila, two red-eyed, long-winged flies are bred together and produce offspring with the following proportion of characters: What are the genotypes of the parents? red eyed, long winged red eyed, vestigial winged white eyed, long winged white eyed, vestigial winged Females ¾ ¼/₁ Males ½ Y % Y

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Practice Question 8 - Below are two cell signalling pathways that work together to regulate cell growth, proliferation and ultimately the size of organs in O.Extremus. In other closely related organisms, dysfunction of these pathways has been associated with tumor growth. mTOR pathway: 1. Growth factors bind and stimulate the receptors. crosstalk Hippo Pathway 2. Receptors can activate the phosphatidylinositol 3 kinase (PI3K) – Akt signaling pathway. MTOR Pathway - 3. The activated Akt, a serine threonine kinase, inhibits theTSC1–TSC2 complex, allowing Rheb to activate mTORC1. Mst РІЗК PTEN Lats АКТ 4. In parallel, amino acids activate the mTORC1 pathway through a mechanism requiring the Rag- ator con miR-29 YAP TSC2-TSC1 lex. amino acids Rag-Ragulator Hippo pathway: 1. The binding of the ligand activates the receptors which activate Mst and Lats. Rheb cell division MTORC1 organ size 2. YAP activity is modulated by phosphorylation of Mst and Lats. YAP upregulates miR-29, which in turn…

Practice Question 8 - Below are two cell signalling pathways that work together to regulate cell growth, proliferation and ultimately the size of organs in O.Extremus. In other closely related organisms, dysfunction of these pathways has been associated with tumor growth. mTOR pathway: 1. Growth factors bind and stimulate the receptors. crosstalk Hippo Pathway 2. Receptors can activate the phosphatidylinositol 3 kinase (PI3K) – Akt signaling pathway. MTOR Pathway 3. The activated Akt, a serine threonine kinase, inhibits the TSC1-TSC2 complex, allowing Rheb to activate mTORC1. Mst PI3K PTEN Lats AKT 4. In parallel, amino acids activate the mTORC1 pathway through a mechanism requiring the Rag- Ragulator complex. (miR-29 YAP TSC2-TSC1 amino acids Rag-Ragulator Hippo pathway: 1. The binding of the ligand activates the receptors which activate Mst and Lats. Rheb cell division MTORC1 organ size 2. YAP activity is modulated by phosphorylation of Mst and Lats. YAP upregulates miR-29, which in…

Practice Question 8 - Below are two cell signalling pathways that work together to regulate cell growth, proliferation and ultimately the size of organs in O.Extremus. In other closely related organisms, dysfunction of these pathways has been associated with tumor growth. MTOR pathway: 1. Growth factors bind and stimulate the receptors. crosstalk Hippo Pathway 2. Receptors can activate the phosphatidylinositol 3 kinase (PI3K) – Akt signaling pathway. MTOR Pathway 3. The activated Akt, a serine threonine kinase, inhibits theTSC1-TSC2 complex, allowing Rheb to activate mTORC1. Mst РІЗК PTEN T Lats АКТ 4. In parallel, amino acids activate the mTORC1 pathway through a mechanism requiring the Rag- Ragulator complex. (miR-29 YAP TSC2-TSC1 amino acids Rag-Ragulator Hippo pathway: 1. The binding of the ligand activates the receptors which activate Mst and Lats. Rheb cell division MTORC1 organ size 2. YAP activity is modulated by phosphorylation of Mst and Lats. YAP upregulates miR-29, which in…

Practice Question 8 - Below are two cell signalling pathways that work together to regulate cell growth, proliferation and ultimately the size of organs in O.Extremus. In other closely related organisms, dysfunction of these pathways has been associated with tumor growth. MTOR pathway: 1. Growth factors bind and stimulate the receptors. crosstalk Hippo Pathway 2. Receptors can activate the phosphatidylinositol 3 kinase (PI3K) – Akt signaling pathway. MTOR Pathway 3. The activated Akt, a serine threonine kinase, inhibits theTSC1-TSC2 complex, allowing Rheb to activate mTORC1. Mst РІЗК PTEN Lats АКТ 4. In parallel, amino acids activate the mTORC1 pathway through a mechanism requiring the Rag- Ragulator complex. miR-29 YAP TSC2-TSC1 amino acids Hippo pathway: 1. The binding of the ligand activates the receptors which activate Mst and Lats. Rheb Rag-Ragulator cell division MTORC1 organ size 2. YAP activity is modulated by phosphorylation of Mst and Lats. YAP upregulates miR-29, which in…