WGU 785 Final Exam/125 Questions And answers/100% Correct

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