bio extra credit1

6. crops and livestock that are raised and harvested to provide food and sometimes fuel
7. practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
9. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins
11. a material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
13. a CDE that involves debate
14. the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
15. any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes
17. a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
18. a cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
20. the passing on of physical or mental characteristics genetically from one generation to another

1. M. father of genetics
2. a dominant trait or gene
3. cycle a series of events that takes place in a cell as it grows and divides
4. an organization for those interested in agriculture and leadership. It is one of the three components of agricultural education.
5. a cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus
8. any cell or organism that possesses a clearly defined nucleus
10. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
12. a branch of biology that studies and deals with heredity
16. square a chart that allows you to determine the expected percentages of different genotypes in the offspring of two parents
19. first thing used to study genetics