Answer: Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
D is the best answer
(I am just using my common sense)
Hope I helped :)
Let,
Dominant trait, red color be designated as C'C'
Recessive trait, white color be represented as C"C"
The F₁ generation of the cross :
C'C' X C"C" = C'C"
F₂ generation cross is shown in the image attached.
According to the cross, the probability of pink flower being produces 1s 50%