ASSIGNMENT IV BIOL1010 Online Introduction to Biology

QUESTION

ASSIGNMENT IVBIOL1010 OnlineIntroduction to Biology IThe following questions for you to answer are to prepare you for thetypes of questions encountered on exams. Please upload the answers toyour instructor by the appropriate due date.1. Explain Mendel’s Law of Segregation.2. Make a Punnett square of the following cross and answer the questionsbelow. A heterozygous orange flowered plant is crossed with ahomozygous white flowered plant. Orange flowers are dominant.a.b.c.d.e.f.g.Draw the Punnett square and submit it with your work.What percentage of the offspring will be orange?What percentage of the offspring will be white?What is the genotype of the orange plants?What is the genotype of the white plants?What is the phenotypic ratio of this cross?What is the genotypic ratio for this cross?3. How does the dihybrid cross support the Law of Independent Assortment?4. What is hemophilia? How is it inherited? Make a pedigree to illustrate itspattern of inheritance. Include a key that explains your symbols.5. Why is recombinant DNA technology so valuable to society? Provide twospecific examples to illustrate your points.6. What is the only way to produce new alleles? Do mutations always result ina change in the final protein product? Explain.7. Imagine two populations that are not currently isolated from each other, butthe potential exists for that isolation to occur. Explain how mutations andgene flow can work in opposition to each other to influence the DNA ofthese two populations.8. Given the following DNA sequence (3′ TACCAGGTAATC 5′) answer thequestions below.a. What is the complimentary DNA sequence?b. What is the mRNA sequence generated during transcription?c. The introns are bolded. What is the sequence of the maturemRNA?d. What is the amino acid sequence?9. Explain the difference between microevolution and macroevolution.10. MRSA, a type of Staph infection, is caused by a strain of bacteria that isresistant to many types of antibiotics. Knowing what you know aboutadaption and natural selection, describe how it would have been possiblefor a bacterium that previously could be easily treated with antibiotics todevelop such a severe resistance to their effects.If you fax any portion of this assignment, please put your name and yourinstructor’s name on each page. Thanks.

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