*NURSING > EXAM > BIOD 210 genetics Exams 1 - 7 portage learning 2022 (All)

BIOD 210 genetics Exams 1 - 7 portage learning 2022

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In a few sentences, summarize Darwin’s theory of natural selection. that too many offsprings were produced than an environment could support would lead to offspings without desirable traits woul... d not survive versus the ones with the desireable traits in the environment. Natural selection posited that more offspring were produced than an environment could actually support. Survival in a crowded environment would lead to struggle within a population, so the offspring that inherited the most desirable traits for a certain environment would ultimately survive. Over time, variations would evolve in offspring that would make them more adaptive, and ultimately over time, new species could evolve. Question 2 8 / 8 pts Name the animal model (mouse, fruit fly, worm, or zebrafish) that best fits the description: Can be “humanized” Mouse Correct! Extremely inexpensive and extremely short life span Fruit fly Correct! Transparent egg and embryo Zebrafish Correct! Simple nervous system that is easy to research Worms Correct! Question 3 6 / 6 pts Your Answer: Are preformation and epigenesis the same thing? Explain why or why not. no they are not the same because epigenesis contradicts preformation in which by epigenesis meaning a fertalized human egg undergoes a specific developmental events that leads to human formation while preformation means fertilized eggs contained a small version of a completly developed adult Preformation postulated that a fertilized egg contained a miniaturized version of a tiny human. Epigenesis directly contradicted that theory by stating that a fertilized egg undergoes a series of developmental events that eventually form a human. Question 4 6 / 6 pts Match each word with its correct definition. Diploid number T [Show More]

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