Genes are? a the building that make up proteins

ANSWER:

basically a gene is made up of a DNA. lets say a gene is a functional and physical system that creates habits in you or choices you make. might be difficult to understand but a gene gives you a lifestyle.

~batmans wife dun dun dun...aka ~serenitybella

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation: