sperm

Mike Harrington michael at unixg.ubc.ca
Fri Jan 5 23:00:14 EST 1996


mdowd at gems.vcu.edu wrote:
: I have recently read that the sperm of one species of Drosophila is more than 
: two inches long.  Is this true?

I just came across an interesting article on this subject:

Delayed male maturity is a cost of producing large sperm in *Drosophila*.  
By S. Pitnick, T.A. Markow, and G.S. Spicer in P.N.A.S. (92:10614-8)

They give the record to *D. bifurca* which has an average sperm length of 
58mm.  
					Mike Harrington




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