Lecture 2 HO

Is it conserved what evidence do we use to answer

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Unformatted text preview: ­30,000 genes per cell). Another way to think of this: If a mouse were the size of central Tucson (10 miles) • a cell would be about the size of a basketball (8 inches), • and a gene would be on average about an inch long. Changing scale again: If a cell were the size of central Tucson (10 miles): • an average protein would be the size of a Volvo (10 feet) • an average gene would be about 1.5 miles long, but the strand of DNA would only be a few feet wide. 3 8/22/12 Biology Ways of Thinking •  •  •  •  •  “How does structure influence funcDon” “How’s it regulated?” “What’s the mechanism?” “Does it translate to human disease?” “Is it conserved?” What evidence do we use to answer these quesDons? The philosophy of experimental developmental biol...
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