/u/lapapinton's posts in /r/askscience

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The species Brassica oleracea includes many common vegetables such as broccoli, cauliflower, kale, cabbage. What kinds of genetic changes led to the diversification of this species?

95 upvotes

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What effect(s) does polyploidy (whole genome duplication) have on the fitness of plants?

62 upvotes

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Where do the methyl groups used in DNA methylation derive from?

50 upvotes

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What is it about the quality of pitch-shifted audio (e.g. Alvin and the Chipmunks) that makes the human ear able to perceive that it's pitch-shifted, not people singing in a higher/lower key?

12 upvotes

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Why do certain compounds seem to adhere permanently to microwavable plastic containers?

7 upvotes

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How does the physiology of cats differ from human beings to produce their extraordinary reflexes and agility?

7 upvotes

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When do transposons transpose?

3 upvotes

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Why does smoking increase your risk of getting cancer in so many different areas of the body, not just your lungs?

3 upvotes

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How effective is phage therapy (the use of viruses which target bacteria)? If antibiotic resistance continues to develop will it be a plausible alternative?

2 upvotes

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Nobel winner Francois Jacob said "...in the Fifties, the idea was that the molecules from one organism were very different from the molecules of another organism. For instance cows had cow molecules and goat had goat molecules..." Why did biologists at the time think that?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The species Brassica oleracea includes many common vegetables such as broccoli, cauliflower, kale, cabbage. What kinds of genetic changes led to the diversification of this species?	95
What effect(s) does polyploidy (whole genome duplication) have on the fitness of plants?	62
Where do the methyl groups used in DNA methylation derive from?	50
What is it about the quality of pitch-shifted audio (e.g. Alvin and the Chipmunks) that makes the human ear able to perceive that it's pitch-shifted, not people singing in a higher/lower key?	12
Why do certain compounds seem to adhere permanently to microwavable plastic containers?	7
How does the physiology of cats differ from human beings to produce their extraordinary reflexes and agility?	7
When do transposons transpose?	3
Why does smoking increase your risk of getting cancer in so many different areas of the body, not just your lungs?	3
How effective is phage therapy (the use of viruses which target bacteria)? If antibiotic resistance continues to develop will it be a plausible alternative?	2
Nobel winner Francois Jacob said "...in the Fifties, the idea was that the molecules from one organism were very different from the molecules of another organism. For instance cows had cow molecules and goat had goat molecules..." Why did biologists at the time think that?	1