The theories on the origin and expansion of the universe have changed from time to time. Which of these best explains why the th
eories about the universe change over a period of time? (2 points) new scientific investigations lead to new theories
modern scientists reject old theories in every century
the universe evolves constantly and requires new theories to describe it
the discoveries of all scientists in different centuries have to be incorporated
They changed things up because its mixed or from up further in the family line. like your parents could have green eyes and you could get blue. it shoukd of came from your grandparents or other blood related relatives.
The type of mutation that causes this translation error is called deletion. Deletion occurs when a section of a DNA is deleted or lost. In cystic fibrosis, three nucleotides are deleted that results in the lost of phenylalanine.