Answer:
1. Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced. For example, sickle cell anemia is caused by a substitution in the beta-hemoglobin gene, which alters a single amino acid in the protein produced.
2. A - Mutations are sometimes helpful, sometimes harmful, and sometimes neutral
Step-by-step explanation:
Hope this helps but I think it is A.)addition property of equality.
Answer:
72
Step-by-step explanation:
3+2=5
5x=100%
x=20 (divide)
20*3=60
60% are boys, 40% are girls
