Abstract
The meiotic map of the honey bee is presented, including the main features that emerged from comparisons with the sequence-based physical map. The map is based on 2,008 markers and is about 40 M long, corresponding to a recombination rate of 22 cM/Mb.
Highlights
The honey bee is a key model for social behavior and this feature led to the selection of the species for genome sequencing
A detailed genetic map is the necessary complement to the sequence in a genome project
Apis mellifera L., whose genome sequence has recently been published [1], only preliminary maps were available at the beginning of the genome project: a random amplification of polymorphic DNA (RAPD) map [2] and a microsatellite map [3]
Summary
We present the genetic (meiotic) map here and describe the main features that emerged from comparison with the sequence-based physical map. The genetic map of the honey bee is saturated and the chromosomes are oriented from the centromeric to the telomeric regions. The map is based on 2,008 markers and is about 40 Morgans (M) long, resulting in a marker density of one every 2.05 centiMorgans (cM). For the 186 megabases (Mb) of the genome mapped and assembled, this corresponds to a very high average recombination rate of 22.04 cM/Mb. Honey bee meiosis shows a relatively homogeneous recombination rate along and across chromosomes, as well as within and between individuals. Interference is higher than inferred from the Kosambi function of distance. Numerous recombination hotspots are dispersed over the genome
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