Can anyone think of a connection between Tobacco and genetics?

emilllay6

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I'm writing a lab report for my expiremental biology class and my teacher has us write a connection paragraph. "Your Connection section should be based in the area of genetics since that is the unit of study. Start there and then branch of to other areas of biology for more sophistication " I have absolutely no clue how the two connect. Please help!

The expirement:
We grew tobacco in petri dishes and placed some of them in the dark, but after two days we reintroduced them to the light to see if it had any effect on the plants' phenotype (it did). The plants in the dark had a slower growth rate which changed its cotyledon count.
I don't think the connection has to be all that technical. It's just Ex. Bio, a freshman course in highschool.
 
This is just a guess, and I'm not sure if this is actually what's happening, but it could be that the lack of light activated a gene in the tobacco that would normally not be active. There are numerous genes that have been shown to be affected by environmental factors.
 
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