Answer:
1. Anyone can work on selective breeding.
2. It provides improvements to the plants or animals.
1. It may lead to a lack of variety in plant or animal species.
2. Genetic mutations are still going to occur.
Answer:
c. Some codons specify the same amino acid.
Explanation:
Codons are triplets of nucleotides in mRNA that is used for the protein synthesis (translation). A codon specifies a single amino acid, but there are exceptions. tRNA molecule contain anticodons, triplets of nucleotides that are complementary to codons. So, during the translation, tRNA carries the amino acid, that corresponds to the codon in mRNA.
The coorect answer is 175m