Answer:
I think they involve swapping of one nucleotide for another during DNA repliction.For example during repliction,a thymine nucleotide might be inserted in place of guanine nucleotide
<span>Distal sesamoid bone is
closer to the hoof than the proximal sesamoid bone. </span>
The byophyte cycle (which is a life cycle) goes through haploid, and diploid stages
Biogenesis, the fir tree began life when fertilization occurred to produce a singlee cell.
<span>Ecological balance can be defined as the equilibrium or stability of species
(animals and plants) to natural conditions or environment. A decrease in the
variety or diversity of, environment or those natural conditions which may
result in an imbalance or instability of the ecological balance means a
reduction in biodiversity.</span>