21.2 if you want it rounded to the tenths place 21.23722628 if not
Color blindness is X linked trait and is carried on X chromosome so when a <span> A mother with normal color vision and a color blind father have a color blind daughter the offspring will be
</span><span>. Some of their sons can have normal color vision
</span>because male is XY and female XX
so i conclude option B is correct<span />
The most important reason they are considered non living is because they cannot live and reproduce without the help of a host cell.
I believe it is scientific laws.
