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.
In the mountains, the weather is considerably cooler than anywhere else on the Island. A typical day in Puerto Rico would have temperatures in Ponce (south) at about 94F and in Jayuya (interior) up to only 74F. FACT: The temperatures in Adjuntas , Puerto Rico have reached the low 40's in winter.