Genetic variation is stored in a populationâs gene poolâthe combined. alleles of all of the individuals in a population. Different combinations of. alleles in a gene pool can be formed when organisms mate and have offspring. Each allele exists at a certain rate, or frequency.
Also found in: Wikipedia. cosÂ·tal surÂ·face. the surface of certain structures that face the ribs; they are the costal surfaces of the lungs (facies costalis pulmonis [TA]) and the scapula (facies costalis scapulae [TA]).
The function of the cell membrane is to let particles in and out of the cell. If they are to big then they need to go through channel proteins. If not they can go through the cell membrane itself and in to the rest of the plant cell as a whole.function of a nucleus is that it stores the cells DNA (hâ¦.Popularity: 165.he function of the cell membrane is to let particles in and out of the cell. If they are to big then they need to go through channel proteins. If not they can go through the cell membrane itself and in to the rest of the plant cell as a whole.function of a nucleus is that it stores the cells DNA (hâ¦.