Which term best describes the environmental factor that can cause mutations of skin cells when overexposed for long periods of time? UV radiation A mutation that occurs in an organism that reproduces sexually will most likely affect the traits of the offspring if the mutation:
Confidence votes 3.2K. A quarter of a year is 91,25 days or three months. Every leap year the quarter of a year is 91,5 days or three months.
The calendar year can be divided into 4 quarters, often abbreviated Q1, Q2, Q3 and Q4. These are typically of slightly differing lengths and aligned to month boundaries for convenience: 2015-2016. 1  First quarter / Q1: from the beginning of October to the end of December (01/10 - 31/12) 2015.