Multicellular organisms have five levels of organization ranging from simplest to most complex. The simplest level is the cell. The
most complex level is the organism. Consider the examples. Which one correctly gives an example of the other three levels in order
from simplest to most complex?

Cell to tissue to organ to organ system to organism

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.