BIOD210 Genetics Module 1 exam - portage learning
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Score for this quiz: 93.33 out of 100 Submitted Oct 21, 2021 at 10:50am This attempt took 46 minutes. In a few sentences, summarize Darwin’s theory of natural selection. Your Answer: that too ... many offsprings were produced than an environment could support would lead to offspings without desirable traits would not survive versus the ones with the desireable traits in the environment. Question 8 / 8 pts 1 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. Correct! Correct! Correct! Correct! Worms Simple nervous system that is easy to research Zebrafish Transparent egg and embryo Extremely inexpensive and extremely short life span Can be “humanized” Name the animal model (mouse, fruit fly, worm, or zebrafish) that best fits the description: Question 8 / 8 pts 2 Question 3 6 / 6 pts Are preformation and epigenesis the same thing? Explain why or why not. Your Answer: 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 [Show More]
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