| Answer | Crossword Clue |
|---|---|
| gene | the biological unit that carries inherited traits |
| genes | the biological unit that carries inherited traits |
| selection | natural or artificial process that results or tends to result in the survival and propagation of some individuals or organisms but not of others with the result that the inherited traits of the survivors are perpetuated compare darwinism natural selection |
| gene | a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic material |
