Answer:
Third one down
Explanation:
RR is heterozygous dominant and Rr is heterozygous recessive
<span>Thymine is harder to make, but more stable. DNA needs to keep information safe for a long time, so it makes sense to use thymine. But RNA is made and used quickly, and small mistakes don’t matter as much, so the easier to make uracil does the job.</span>
It is true that situational context is the social and environmental setting in which a particular behavior takes place.