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Chapter 6 Vocab
Vocab
| Question | Answer |
|---|---|
| Gamete | a haploid reproductive cell that unites with another cell to form a zygote. |
| Binary Fission | a form of asexual reproduction in single- celled organisms by which one cell divides into two cells of the same size. |
| Gene | a segment of DNA that is located in a chromosome and that codes for specific hereditary trait. |
| Chromosome | in a eukaryotic cell,one of the structures in the nucleus that are made up of DNA and protein; prokaryotic cell, the main ring of DNA. |
| Chromatid | one of the two strands of chromosomes that become visible during meiosis or mitosis. |
| Centromere | the region of the chromosome that holds the two sister chromatids together during mitosis. |
| Homologous Chromosome | chromosomes that have the same sequence of genes,that have the same structure, and that pair during mitosis. |
| Diploid | a cell that contains two haploid sets of chromosomes. |
| Haploid | describes a cell, nucleus, or organism that has only one set of unpaired chromosomes. |
| Zygote | the cell that results from the fusion of gametes; a fertilized egg. |
| Autosome | any chromosome that is not a sex chromosome. |
| Sex Chromosome | one of the pair of chromosomes that determine the sex of an individual. |
| Karyotype | an array of the chromosomes found in an individual's cell at metaphase of mitosis and arranged in homologous pairs and in order of diminishing size. |
| Cell Cycle | the life cycle of a cell. |
| Interphase | a period between two mitosis or meiotic divisions during cell growth. |
| Mitosis | a process of cell division. |
| Cytokinesis | the division of cytoplasm of a cell. |
| Cancer | a tumor in a cell. |
| Spindle | a network of microtubles. |