Substitution causes sickle-cell anemia.
Answer:
P(purple, short) = 3/16
Explanation:
Purple flowers require genotypes Pp, pP or PP
Short pollen grains require genotype ll
The genotypes are
PPll (1/16), Ppll (1/16), pPll (1/16) for a total of 3/16
The answer is B. More humans will populate the Earth.
this is true, if there was no sun, the world would freeze. also, no food would grow and we would starve