Northwest Pipe (NASDAQ:NWPX – Get Free Report) was downgraded by analysts at Northland Capmk from a “strong-buy” rating to a “hold” rating in a research note issued on Friday, Zacks.com reports.
The 1:1 ratio results from the way the X and Y chromosomes are doled out in sperm and eggs. We know that boys and girls are produced in much the same frequency. But how – and why – is this 1:1 ...