<span>A genetic mutation occurs when there is a permanent change in the nucleotide sequence of the DNA. The error falls in to 3 main groups; Deletion, substitution, or an addition of base pairs. The main reason why mutations are fatal are because of the rapid cell development that can cause cancer.</span>
Answer: The percentage of unknown material has grown in scientists estimates since the 1970’s; the percentage of dark matter has shrunk in scientists estimates since the 1980s
Explanation:
Robert trivers <span>created three additional theories for evolutionary studies that included parental investment, parent-offspring conflict, and reciprocal altruism.</span>
It’s a heterotroph!!!! You’re welcome!
“Genes and environmental effects are often part of the explanation. “
“...disease-causing alleles of one gene may be suppressed by alleles of another gene elsewhere in the genome, or a person's overall health may influence the strength of a disease phenotype.”
https://www.khanacademy.org/science/high-school-biology/hs-classical-genetics/hs-non-mendelian-inheritance/a/polygenic-inheritance-and-environmental-effects