Answer:
Pp or PP
Explanation:
Being heterozygous mean you have one recessive gene(a), one dominate (A). Homozygous dominant means you have only dominate(AA). if you use a Punnett square, it would look like this:
P P
P PP PP
p Pp Pp
This shows only Pp, and PP are the possible genotypes.
Kinetic energy = 1/2 * mass * velocity^2 so Ke = 1/2*(155*10^3 g)*18^2 which is 25,110,000 joules.