Answer:
A
Explanation:
It makes the most sense and if i remember that is a chain reaction.
Answer:
D
Explanation:
when the temperature got colder then there where changed in the plant
Parent 1: Genotype - RR, Phenotype - Round seed
Parent 2: Genotype - rr, Phenotype - wrinkled seed
Offspring with round seeds: 100%
Punnet:
R R
r Rr Rr
r Rr Rr