Answer:
A “mutation” changes the instructions of a gene, which can also change the protein. Sometimes this change makes it so the protein can't do its job as well. And this is what happens with sickle cell anemia. A mutation in the hemoglobin gene changes the hemoglobin protein in a way that causes sickle cell anemia.
Meiosis is divided into two stages. Homologous chromosomes align at the metaphase plate during Metaphase I, which is followed by Anaphase I, where they then separate to opposite poles.
Answer:
Reproductive isolation is the very factor that causes the development of what we call "species" according to the biological species concept. The reason cats and dogs are different species is that they can't mate, so we call them "reproductively isolated."
Collagen Fiber. this is the strongest and most common connective fiber; it has tensile strength; its appearance is long, straight, and unbranched; examples: tendons and ligaments. reticular fiber.
The most likely cause of the beak variation is the food source of the finch, the break size and shape was adapted to most likely have easier and better access to food. <span />
