Answer:
A. a base pare of deletion
Explanation:
A base pair deletion is a mutation where one nucleotide is removed during DNA replication. The base-pair deletions produce frameshift mutations, i.e., they cause genetic modifications that alter the Open Reading Frame (ORF) of the corresponding protein. Examples of human diseases caused by deletion mutations include, among others, cystic fibrosis and Williams syndrome.
Acclimatization is an enhanced capacity to react to a natural anxiety and is instigated by drawn-out introduction to the anxiety. In the event that it happens right on time in life, it might be irreversible, and in this manner is known as a formative acclimatization. Acclimatizations are basically not inheritable.
Answer:
stromatolites
Explanation:
Stromatolites or stromatoliths are layered mounds, columns, and sheet-like sedimentary rocks that were originally formed by the growth of layer upon layer of cyanobacteria, a single-celled photosynthesizing microbe. Fossilized stromatolites provide records of ancient life on Earth.
Answer:
<u>ligase</u>
Explanation:
Short segments of newly synthesized DNA are joined into a continuous strand by <u>ligase</u>
