Recombination frequency - Study guides, Class notes & Summaries

ASU BIO 182 Exam 2 Questions with Verified Answers. 1 / 27 1. How many modes of selection are 3 there? 2. What are the modes of selection? Stabilizing selection, directional selection, and disruptive selection 3. Stabilizing Selection The mean of the trait remains similar over time but the standard deviation decreases 4. Directional Selection The mean phenotype shifts in a particular direction 5. Disruptive Selection The standard deviation of the trait increases as individuals with the...

Genetic Analysis Final Exam Questions & Answers 2024 In detail, describe in words how we estimate the genetic map distance between two genes on the same chromosome using the number of crossing over events in a three point cross? (Don't forget to explain the experimental setup as well as how we analyze the data!) - ANSWER-The experiment requires generating a parent heterozygous at all of the loci to be tested. This parent is then back-crossed to another parent who is homozygous recessive...

MCDB 101B Final UPDATED Exam Questions and CORRECT Answers syntanic - Correct ANSWER- two genes on the same chromosome (in linkage) Fly yellow and white genes - Correct ANSWER- - linkage - linkage between the genes is the same regardless of which are the parental allele combinations (linkage between two genes, not particular alleles) recombination frequency - Correct ANSWER- RF = (number of recombinants)/(total number of progeny) X 100 - 1 RF = 1 map unit (mu) = 1 centiMorgan (cM) l...

What enhances the expression of a gene? - the attachment of RNA polymerase to DNA Describe what happens when the lactose operon is turned on and transcribing. - Allolactose or lactose binds to and changes the shape of the repressor. Genes A,B,C, and D are located on the same chromosome. Testcrosses show that the recombination frequency between A and B is 36% and between A and C is 23%. The recombination frequency between C and D is 5% and between A and D is 18%. What is the correct sequenc...

AP Biology Unit 5 Questions and Answers Already Passed ) Between which two genes would you expect the highest frequency of recombination? A) A and W B) W and E C) E and G D) A and E E) A and G Answer: E 10) Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a female having cinnabar eyes is crossed with a wild-type male, what percentage of the F1 males will have cinnabar eyes? A) 0% B) 25% C) 50% D) 75% E) 100% Answer: E 13) Sex determination in mammal...

BIOL 111 Final LATEST ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Mendel crossed pea plants that had inflated pods with those that had constricted pods and then allowed those offspring to selfpollinated to produce an F2 generation. When he counted the offspring in the F2, 882 had inflated pods and 229 had constricted pods (1182 total). The allele for constricted pods has what relationship to the allele for inflated pods A. incompletely dominant...

Marasmus vs. Kwashiorkor MEALS protein? correct answers Marasmus-low in both calories and protein (no specific vitamins or mineral deficiency), NO edema Muscle wasting (wrinkly skin) Kwashiorkor-severe protein deficiency --> skin lesions and edema (small child big abdomen) Low serum albumin --> Low serum oncotic pressure Liver fatty change due to decrease apolipoprotein synthesis and eposition Malnutrition Edema Anemia Liver (fatty) Skin lesions (hyperkeratosi...

Bio 235 Exam II Questions With 100% Correct Answers Complementary Gene Action Genes working in tandem to produce a particular trait. Duplicate Recessive Epistasis 9:7 ratio, either allele can mask another hypostatic gene's expression. Complementation Mutation in both genes work together to produce a different expected phenotype. Noncomplementation Mutations occur in the same gene to produce the same phenotype. When do two genes assort independently? When they are located on different...

Multiple Choice Questions and Answers on Antenna & Wave Propagation 1) What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? a. 1 m – 10 m b. 1 cm – 10 cm c. 10 cm – 1 m d. 0.1 cm – 1 cm ANSWER: 1 cm – 10 cm 2) Which among the following is an application of high frequency? a. SONAR b. Subsurface communication c. Radio navigation d. Facsimile ANSWER: Facsimile 3) Wave front is basically a locus of points acquir...

which of the following would NOT be found in a DNA sequence a) adenine b)guanine c)thymine d) uracil - CORRECT ANSWER-D A segment of pre-mRNA is cut up by spliceosomes so that 3 eons & 2 introns are formed. How many cuts were made on the pre-mRNA? a) 3 b) 4 c) 5 d) 6 - CORRECT ANSWER-B if a DNA strand contains the triplet nucleotides ATG-GCC-GCT, what would be the set of anti-codons that accompany the transcribed mRNA during translation? a) TAG-CGG-CGA b) AUG-GCC-GCT c) AT...