The right option is; C. They are controlled by more than one gene
Traits such as skin color, human height and eye colour are known as polygenic traits. These traits have wide variation throughout the human population and are controlled by two or more genes. For example the human height is controlled by at least three genes with six alleles. The quantities of the genes are usually large but often have a little effect.
Immigration followed by competition
I hope this right, if its not, sorry =)
That is because gene expression is a process in the synthesis of proteins and without proteins our organisms could not function properly. Almost all things that occur in our body are results of proteins being synthesized and these proteins travel through our body activating other processes. When not synthesizing proteins, different types of RNA are synthesized.
Answer: Gender identity
Explanation:
Gender identity is how a person sees themselves their own internal sense and personal experience of gender. Only the individual can determine their own gender identity. Gender indentity refers to the degree to which we see ourselves as feminine, masculine, transsexual or perhaps even nongender and having no gender at all. Gender identity occurs as a result of a combination of inherent and extrinsic or environmental factors; gender role, on the other hand, is manifested within society by observable factors such as behavior and impression
Inclusions are always older than the rock they are found in.