Science Vocab
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28 terms
Terms | Definitions |
|---|---|
 allele | different variations of a gene |
| asexual reproduction | a single parent produces offspring thta are identical to the parent |
| cell division | the process in reproduction and growth by which a cell divides to form two identical cells |
| chromatid | the identical copy of a chromosome |
| chromosome | the structure in the nucleus that contains the genetic information that directs the cell activity |
| cytokinesis | the process where cytoplasm divides, forming two identical cells |
| daughter cell | the new cells formed when a cell divides |
| deoxyribonucleic acid | the genetic information of the cell |
| dominant | the stronger of two traits in an organism |
| fertilization | a sperm cell joins with an egg cell |
| gamete | the reproduction cells: egg and sperm |
| gene | the small section os a chromosome that determines a trait |
| genetics | the study of how traits are passed from a parent to offsprings |
| genotype | the inherited combination of alleles in a offspring |
| heredity | the passing of traits from parents to offspring |
| inherited trait | a characteristic passed from parent to offspring |
| Law Of Dominance | the principles of genetics |
| meiosis | the process of sex cells formation |
| Gregor Mendel | a scientist who studied genetics patterns in a pea plants |
| Mendelian traits | a trait produced by asingle gene |
| mitosis | the process of cell divison : interphases, prophase, metaphase, anaphase, telophase |
| mutation | the changes in a gene |
| nucleus | a part of a cell responsible for growth and reproduction |
| penotype | the physical apperance of an organism |
| Punnett squre | a squre designed to predict all poissible gene combination for the offspring of two parents |
| recessive | a trait that is hidden; the weaker of two trait |
| sexual reproduction | a new cell formed when DNA from both parents combine |
| trait | a characteristic |
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