LAB 04 CONCEPT REVIEW QUESTIONS

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East Los Angeles College *

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Apr 3, 2024

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LAB 04 CONCEPT REVIEW QUESTIONS o Due No due date e Points 10 e Questions 10 e Time Limit None Attempt History Attempt Time Score LATEST Attempt 1 4 minutes Score for this quiz: 10 out of 10 Submitted Feb 27 at 7:30pm This attempt took 4 minutes. Question 1 Not yet graded / 1 pts (Q001) How do we measure and define evolution? Your Answer: e As achange in allele frequency change in genetic level it occurs at popular level not individual occurs in traits and change occurs through multiple generations Question 2 1/1 pts (Q002) Evolution occurs at the level of the individual. Correct! in traits. in a single generation. only at the phenotypic level. 10 out of 10 FEEDBACK: Evolution occurs not at the level of the individual but at the population level. Question 3 1/1 pts
(Q003) The only source of entirely new genetic material is natural selection. Correct! mutation. recombination. genetic drift. FEEDBACK: Mutation is the only source of entirely new genetic information (not natural selection, recombination, or genetic drift). Question 4 1/1 pts (Q004) Which of the following is NOT a key component of natural selection? Correct! Traits for strength and vitality are favored over other traits. Random variation exists for every trait in a population. There will always be competition for resources. Those with advantageous traits will outreproduce others. FEEDBACK: This is NOT a component of the theory of natural selection (but the other choices of occurrence of random variation in traits, competition for limited resources, and greater reproductive success of those with favorable traits are). Question 5 1/1 pts (Q005) The founder effect is a specific type of gene flow. meiosis. Correct! genetic drift. mutation. FEEDBACK: Genetic drift is exemplified by the founder effect (not gene flow, meiosis, or mutation). Question 6 1/1 pts (Q006) When a substantial amount of genetic variation is lost, we call it a
genetic die-off. gene flow. Correct! genetic bottleneck. gene dam. FEEDBACK: Genetic bottlenecks often occur through the founder effect. Question 7 1/1 pts (Q007) When two previously isolated populations begin interbreeding and exchanging genes, we call it genetic drift. founder effect. incest. Correct! gene flow. FEEDBACK: Gene flow refers to the exchange of genes between previously isolated populations that begin to interbreed. Question 8 Not yet graded / 1 pts (Q008) List two of the seven key conditions necessary for a trait to be in equilibrium. Your Answer: 1. Mating within the population is random 2. All members of population produce same number of offspring Question 9 Not yet graded / 1 pts (Q009) In the Hardy-Weinberg equation, what does p stand for? Your Answer: p is frequency of dominant alleles for the trait Question 10 Not yet graded / 1 pts
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(Q010) In the Hardy-Weinberg equation, what does g stand for? Your Answer: q is frequency of recessive alleles for the trait Quiz Score: 10 out of 10 This quiz score has been manually adjusted by +4.0 points.

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