The correct answer would be D. DNA evidence showing it was more closely related to mammals than to other vertebrates <span />
When charged particles from the sun strike atoms in earth's atmosphere, it causes electrons to move to a higher energy state. When the electrons drop back to a low energy state they release light photons. This is what causes the Aurora lights
So here we have two heterozygous organisms that will mate. You can put them into a Punnet square, just to be sure of your answers and to find all possible genotypes :
R r
R RR Rr
r Rr rr
So you have RR, Rr and rr as your possible genotypes.
Boys shoulders broaden and voice deepen, Girls start having menstrual periods and develop breast. <span />