D. Number of protons in an atom's nucleus
Answer:
The involvement of more than two genes.
Explanation:
The polygenic characteristics have many phenotypes because more than two genes governs the phenotype of individual organism. The single gene contains a pair of alleles that codes for two phenotype and two genes will code for 4 phenotype. Thus, more than two genes for example, three genes will have six phenotypes.
The skin color and height are polygenic characterstics in humans.
Idk bro sorry but I’m only in the 7th grade and don’t take biology
Answer:
Social activism will definitely help to fight social challenges as when the whole society comes forward and stand against such challenges it makes the process of eradicating the problems and challenges of society easier. Social challenges are those challenges which the society face as a whole and these challenges are a problem for the whole society and not just a person.