MBG2400 Exam Review Questions with Complete Correct Answers | Grade A+

When do F2 ratios do not hold? Ans: When 2 loci are not independent What is pleiotropy? Ans: One locus affects more than one trait What is epistasis? Ans: Allele at one ocus that affects the allele on another locus What is linkage Ans: 2 or more loci on the same chromosome What impairment is linked with white fur in cats and what is it caused by Ans: Deafness and melanocytes 2 What do P,H,Q stand for in the equation+H+Q=1? Ans: P=homozygous dominant, H=heterozygous, Q=homozygous What does p stand for in the equation p=P+1/2H Ans: p= dominant allele What does q stand for in the equation q=Q+1/2H Ans: Q=recessive allele What are the requirements for the hardy-Weinberg equation Ans: Must be in a large, randomly mated population with no migration, mutation, or selection What is the hardy Weinberg equation Ans: Hardy-Weinberg=p^2+2pq+q^2 Does a punnet square insinuate random mating? Ans: Yes Why do we use the hardy Weinberg equation 3 Ans: To estimate allele frequencies or detect carriers What is the equation for the binary or 2 outcome process Ans: P(one case)=1-P(other case