emaining Time:51 minutes, 51 seconds. Question Completion Status: QUESTION 12 Wh
ID: 146791 • Letter: E
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emaining Time:51 minutes, 51 seconds. Question Completion Status: QUESTION 12 What is the specific term for similar genes (DNA) that occur in different species that originate in a common ancestor? Analogous O B. Polyologous O C. Synapologous O D.Orthologous QUESTION 13 Continental drft is an integral mechanism in the history of evolutionary biology. Who is the scientist that first promulgated the ides A. johann Bach O B. Ailfred Wegener O C. Frédèric Chopin OD.George Handel QUESTION 14 Click Sove and Submit to sove and submit. Click Save Al Answers to save al answersExplanation / Answer
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12-d) Orthologous gene - these gene retain their function in different spp. which evolved from common ancestors
13- b) Alfred Wegener proposd continental drift theory.
14-b)phylogenetics is the study of evolutionary relationship among groups of organisms.
15- true) mutations add variations in population and natural selection provide opportunity to that variations in population
16) 1.there was variation in flower colour of snapdragon
2. Some of variation was heritable in snapdragon
3.plants vary in their reproductive success
4.reproduction was non random
17-true) it is true that gradual evolution results from small genetic changes that are acted on by natural selection.
18-true) mutation is one of the source of variations, other are like random mating, crossing over, gene flow.....etc.
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