They are sequences of mRNA that can move around in the genome. They exist in corn, but are not found in the human genome. They are the most abundant type of repeat in the genome. All of the above are true regarding transposons.
Averages for San Juan in November. 1  The mountainous island of Puerto Rico in the northeastern Caribbean enjoys high temperatures all year round. 2  November sees temperatures of 21 to 30 degrees celsius - unimaginable for November back home in the UK.
Weather & Island Cams. The San Juan Islands enjoy an average of 247 days with sunshine and about half the rainfall of Seattle, thanks to the rain shadow effect of the Olympic Mountains to the south. It's no wonder visitors are attracted to the islands year round! Check out the 7-day forecast for Friday Harbor.