I know that human body cells are diploid and sex cells are haploid. But in a diploid body cell, before synthesis, how many chromosomes do we really have? are they double stranded or single stranded? if it is 23 double stranded chromosomes, then why doesn't homologous pairs pair up and line up??
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1 Canoe or kayak trailers cost $600-$1,500 for a single-boat trailer and can cost $2,000-$5,000 or more for a trailer with racks to hold six or up to 20 canoes or kayaks.2  For example, the aluminum Trailex UT-1000-6-04 canoe trailer can hold six 18' canoes, has a 1,000-pound capacity and lists for $2,529. A lightweight or economy-model single-axle boat trailer 14' long or shorter can cost $700-$1,100 or more, depending on size, weight capacity and materials (aluminum, galvanized or steel), for use with lightweight craft. 2  For example, DirectBoats.com offers an Economy Fishing Boat Trailer for $720-$800.