WGU 785 Final Exam Latest 2021 100& Answered correctly
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WGU 785 Final Exam Latest 2021 With Complete Solution Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? Correct answer- His daughters would be carriers. This is x-link recessive. Autosomal: Dominant: Correct answer- Autosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) Correct answer- The process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DNA primers. 3 Steps of PCR Correct answer- 1. Denaturation: DNA is heated to 95C to separate it. 2. Annealing: reaction is cooled to 50C; primers stick to the DNA you want to copy and add DNA polymerase. 3. Elongation: reaction heated to 70C and DNA polymerase, adding nucleotides building a new DNA strand. Base Excision Repair (BER) Correct answer- How you repair a mutation. BER is used to repair damage to a base caused by harmful molecules. You remove the base that is damaged and replace it. *BER removes a single nucleotide* DNA glycolsylase - sees damaged DNA and removes it. DNA polymerase-puts the right one back in while DNA ligase seals it. Mismatch repair (MMR) occurs during: Correct answer- replication. DNA polymerase proofreads but sometimes a mismatch pair gets through. MMR removes a large section of the nucleotides from the new DNA and DNA polymerase tries again. (Ex: C-T instead of C-A) Mismatch Repair corrects what kind of DNA damage? Correct answer- When a base is mismatched due to errors in replication. Such as G-T instead of G-C. DNA polymerase comes by and fixes it. What happens when DNA polymerase binds to DNA to make RNA?
[Solved] WGU 785 Final Exam Latest 2021 100& Answered correctly
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- Submitted On 01 Dec, 2022 03:31:06
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