Allele fixation Study guides, Class notes & Summaries

ASU BIO 345 Exam 1| Questions and answers 2023/24 | GRADED A+ D ≈ 0.49 A population of butterflies comes in three color morphs; orange (A1A1), black (A2A2), or orange with black spots (A1A2). You find that the frequency of orange butterflies is 0.49, and the frequency of black butterflies is 0.36. You do not know if the population is currently in HWE. What would you expect the frequency of spotted butterflies to be, if the population is under Hardy-Weinberg equilibrium? A ≈ 0.42 B ≈ ...

WGU D236 PATHOPHYSIOLOGY FINAL EXAM 300+ REAL EXAM QUESTIONS AND VERIFIED ANSWERS WITH RATIONALES LATEST UPDATE 2023 Describe how your body responds to an infection. - ANSWER- T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - ANSWERMutations in genes or chromosomal abnormalities How does development disrupts congenital abnormalities? - ANSWERAlterations of DNA Describes factors that disrupt homeo...

BIOL 2400 Exam Questions and Answers Latest 2023/2024 | 100% Verified. Which of the following evolutionary processes (on their own) cannot explain allele frequency changes across generations (i.e. evolution)? A. Selection B. Mutation C. Migration D. Inbreeding E. Genetic drift 2. If there are two alleles at a single locus (A1 or A2) and the frequency of the A1 allele is 0.3. What would the frequency of the A1A1 genotype be at Hardy-Weinberg Equilibrium? A. 0.09 B. 0.30 C. 0.42 D. 0....

Green River College: BIOL 100 Unit 3 Notes Latest Updated Chapter 6: Energy for life Learning Objectives: 1. Identify the cellular structure where photosynthesis occurs and describe its function. 2. State the overall chemical equation for photosynthesis. 3. Recognize what is meant by the terms reduction and oxidation. 4. Describe the function of photosynthetic pigments. 5. Explain the flow of electrons in the light reactions. 6. Explain how ATP and NADPH are generated in the light reac...

McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - ANS - To ensure that results were not achieved by random chance What is the definition of a replicate? - ANS - Unit that shares a c...

McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - ANS - To ensure that results were not achieved by random chance What is the definition of a replicate? - ANS - Unit that shares a c...

Test Bank, Chapter 3 1. Lord Kelvin argued that based on the temperature of rocks, the earth could not be as old some geologists thought. What turned out to be wrong with his reasoning? (a) he claimed that the temperature of surface rocks should be used in calcuations, but these calculations were shown to be unreliable (b) he did not realize that the planet’s interior was constantly changing (c) the upper layers of the earth are cooler than Kelvin realized (d) all of the above 2....

If there are two alleles at a single locus (A1 or A2) and the frequency of the A1 allele is 0.3. What would the frequency of the A1A1 genotype be at Hardy-Weinberg Equilibrium? A. 0.09 B. 0.30 C. 0.42 D. 0.70 E. 0.91 3. If the fitness of the BB genotype is 1.0, the fitness of the Bb genotype is 0.8 and the fitness of the bb genotype is 0.8, which of the following is true? A. B is dominant to b B. B is recessive to b C. The B allele will decrease in frequency D. Selection will never ...

Regarding cancer genetics, "Loss of Heterozygosity" is a step toward cancer development involving a/an A. tumor suppressor gene. B. cyclin-dependent kinase. C. oncogene. D. translocation. - Answer- Tumor supressor gene Tumor supressor genes are homozygous recessive In the Ras oncogene signal-transduction pathway, the first step involves a A. transcription factor in the nucleus. B. transcription factor at the cell surface. C. receptor at the cell surface. D. receptor ...

change from gen to gen via selection of heritable traits evidence for evolution - Answer - fossils - extinction - transitional forms - vestigial traits why is the myth about evolution being goal oriented false? - Answer species do not adapt because they "want" or "need" traits; they adapt them because an ancestor with that triat just so happened to reproduce sooner or more successfully than others why is the myth that evolution is a hierachy false? - Answer evolution is more a ne...

EVE 100 Midterm Exam Questions and Answers Latest Updated 2023/2024 Graded A+. These are provided as a study aid, since these are examples of some of the general types of questions you could see on a midterm. THIS IS NOT INTENDED AS AN EXHAUSTIVE LIST OF QUESTION FORMATS NOR TOPICS, NOR DOES IT REPRESENT THE LENGTH OF AN EXAM. Equations you will get on the exam D = f(A1,B1) – f(A1)*f(B1) s = 1 - wi wi = 1 – sh _ w = f(AA)*(wAA) + f(Aa)*wAa + f(aa)*waa _ _ FST = Var(p) / [(p) * 1-...