The answer is 20. Duplicated chromosome has two sister chromatids, identical copies of the chromosome. These two chromatids are joined at the region called centromere. Therefore, one duplicated chromosome has one centromere and two sister chromatids. If there are 20 duplicated chromosomes in a cell, there will be 20 centromeres.
The biggest airlines flying to United States: American Airlines flights to United States, Delta flights to United States, Southwest Airlines flights to United States. Regions in the USA - United States. Airlines flying to the USA - United States - by city.
Which airline flies the most flights to USU?The top airline carrier flying out of Francisco Reyes is South East Asian Airlines and they fly over 147 flights every month. How busy is the USU airport? Francisco Reyes (USU) has 0 flights every month.