Example 2: 1  a sporadic form, which is caused by a somatic mutation in each of the two RB genes in a cell. 2  a familial (inherited) form, which is caused by a somatic mutation to one RB gene in a cell that already has one mutant RB gene inherited through the germline from a parent.
For the month of September 2012, Ketchikan reported average temperatures of 53.3Â°F, 0.8Â°F above the long-term mean of 52.5Â°F. The maximum temperature for the month was 67Â°F, which occurred on the 7th, while the minimum (41Â°F) was reported on the 16th.
PEOPLE OVERVIEW : The 2016 Ketchikan, Alaska, population is 8,197. There are 1,883 people per square mile (population density). Family in Ketchikan, Alaska. The median age is 37. The US median is 37.4. 46.08% of people in Ketchikan, Alaska, are married. 17.38% are divorced. The average household size is 2.34 people. 34.11% of people are married, with children. 17.30% have children, but are single. Race in Ketchikan, Alaska. 57.45% of people are white, 0.66% are black, 9.72% are asian, 15.65% are native american, and 0.00% claim 'Other'. 5.91% of the people in Ketchikan, Alaska, claim hispanic ethnicity (meaning 94.09% are non-hispanic).