Answer:
PP = 25%
Pp = 50%
pp = 25%
Explanation:
Using punnett square, we can predict the percentage probability of genotypes.
P p
P PP Pp
p Pp pp
In this cross we have,
PP = 1/4 = 25%
Pp = 2/4 = 50%
pp = 1/4 = 25%
We have ratio,
1 : 2 : 1
yes, cell organelles can be seen with a microscope
The answer is D. competition
Sunlight doesn't reach quite as well in deeper parts of the ocean. Therefore, the autotrophs cannot use photosynthesis to make food.