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Across 6. Subdivision of a cell into two or more parts and the regeneration of those parts into two cells. 9. Section of DNA that is primarily responsible for compressing and decompressing DNA into chromosome form during the Cell Cycle. 14. A form of reproduction in which a new organism is created from a single parent and inherits the genes of that parent only. 15. Nitrogen base that pairs with Thymine in DNA and Uracil when found in RNA. 17. Is the set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific protein. 18. The number of chromosomes in a sex cells or gamete. 19. The form of a gene whose characteristics will only be displayed if in the presence of a matching copy of the same allele. 26. Form of reproduction in which a new organism is created by combining the genetic material of two organisms of the same or similar genetic species. 28. The stage of the cell cycle during which the cell's nucleus divides into 2 new nuclei and 1 copy of the DNA is distributed into each daughter cell. 29. Small molecule that is linked chemically in the ribosomes to other amino acids to form proteins. 31. The stage of mitosis or meiosis when two daughter nuclei form around each pair of chromatids in the new cell. Accounts for approximately 2% of the cell cycle's duration 32. The "female" sex cell; contains ½ the genetic information of the female parent. 33. Genetic cross made to examine the distribution of one specific set of alleles in the resulting offspring. 35. The expression of genes in an organism can be influenced by the environment. External environmental factors can influence the way an organism develops and functions. 36. The genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits. 38. A type of grid that can indicate all the possible outcomes of a genetic cross. 39. The final stage of the cell cycle, in which the cell's cytoplasm divides, distributing the organelles into each of the 2 new cells and a new cellular membrane forms around each new cell. 40. The form of a gene whose characteristics will be displayed if the allele is present. 41. Deoxyribonucleic acid; the genetic material that carries information about an organism that creates proteins and is passed from parent to offspring. 42. The process by which a cell makes a copy of the DNA in its nucleus.

Down 1. Nitrogen base that only pairs with Guanine when found in DNA and RNA. 2. The stage of mitosis or meiosis in which the chromatin condenses (it becomes shorter and fatter) into a highly ordered structure called a chromosome in which the chromatin becomes visible. 3. A genetic cross made to examine the distribution of two specific sets of alleles in the resulting offspring. 4. A nitrogen-containing molecule that are the building blocks of DNA and RNA. 5. The process in which the sex cells of different organisms of the same species combine to produce a new organism. 7. The number of chromosomes in a non sex cell; typically double those of the gametes or sex cells. 8. The appearance of an organism resulting from the interaction of the genotype and the environment. 10. The stage of mitosis or meiosis when chromosomes move to opposite poles of the cell. Accounts for approximately 1% of the cell cycle's duration. 11. A special type of cell division or cell cycle undergone by body cells in order to turn them into sex cells, necessary for sexual reproduction. In Meiosis, the Mitosis and Cytokinesis stages of the cell cycle happen twice ending with the creation of 4 cells with ½ the genetic material of the starter cell. 12. A form of asexual reproduction in which a new organism grows on another one. The new organism remains attached as it grows, separating from the parent organism only when it is mature. The newly created organism is a clone and is genetically identical to the parent organism. 13. Is the process in which a living organism produces another organism that shares its same traits. This process through subsequent generations results in specific variations and is the cornerstone for evolution. This is why you see certain traits carrying through generations of families. Inheritance refers to the transmission of genetic information across generations. 16. The different forms of a gene. 20. The stage of mitosis or meiosis in which condensed & highly coiled chromosomes, carrying genetic information, align in the middle of the cell before being separated into each of the two daughter cells. Accounts for approximately 4% of the cell cycle's duration. 21. Relative possibility that an event will occur, as expressed by the ratio of the number of actual occurrences to the total of possible occurrences. 22. The process in which the sex cells of different organisms of the same species combine to produce a new organism. 23. Nitrogen base that only pairs with Cytosine when found in DNA and RNA. 24. Series of events that takes place in tn a cell leading to its division and duplication. 25. A double rod of condensed chromatin; contains DNA that carries genetic information. 27. Caused by abnormalities in genes or chromosomes. May or may not be a heritable disorder. Are passed down from the parents' genes, but others are always or almost always caused by new mutations or changes in DNA. 30. The 1st stage of the cell cycle that takes place before cell division occurs. 34. The "male" sex cell; contains ½ the genetic information of the male parent. 37. Nitrogen base that only pairs with Adenine when found in DNA.