Natural Selection

4. The study of genes and heredity.
6. the processes used to create an exact genetic replica of another cell, tissue or organism
9. occurs when the sperm from the male parent fertilizes an egg from the female parent, producing an offspring that is genetically different from both parents
12. the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
13. a modification of an organism or its parts that makes it more fit for existence.
14. the process by which species adapt over time in response to their changing environment
15. a number that reflects the chance or likelihood that a particular event will occur

1. a mode of reproduction in which a new offspring is produced by a single parent.
2. a mechanism of evolution
3. the presence of differences in sequences of genes between individual organisms of a species.
5. a process that uses laboratory-based technologies to alter the DNA makeup of an organism
7. the assets that an individual bequeaths to their loved ones after they pass away
8. a change in the DNA sequence of an organism
10. A phenotypic trait, simply trait, or character state is a distinct variant of a phenotypic characteristic
11. choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics