I think it is mesopheric plater not 100% shure
Answer:
Rr x rr
Explanation:
Let's say
RR is a tall plant.
Rr is tall
& rr is a small plant
The only genotypes you can get to make two tall and two short is if you use a hetero pair and a same ressesive (rr) genes.
Alternative RNA splicing determines which proteins are produced from each gene.
You can do golden rice. It was genetically modified to produce beta carotene, which rice does not usually have. When metabolized by the body beta carotene is turned to vitamin A which is essential to human vision, immune systems, and healthier skin