That statement is true!!!
Answer: Sex cell is the correct answer.
Some characteristics that is shared is a soft body and an outer shell to protect their body.
The goal of a cladogram is to show relationships and evolutionary descent between species.
Incomplete dominance shows phenotypes of both dominat and reccessive trait !!
so supppose red is AA
the white is aa
and pink is Aa (heterozygous thus pink)
on crossing Aa to Aa (two pink)
we have ; AA , Aa, Aa, aa
thus 1 red, 2 pink, 1 white
Ratio - 1:2:1