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Stack #125870
| Question | Answer |
|---|---|
| chromatids | the two copies of DNA on each chromosome that form just before cell division |
| centromere | the point at which two chromatids are attached |
| homologous chromosomes | chromosomes that are similar in shape and size and ahve similar gentic information |
| diploid | a cell that contain two sets of chromosomes |
| haploid | a cell that contains one set of chromosomes |
| cancer | misregulation of the proteins that control cell growth and division |
| first growth(G1) phase | the cell grows and carries out routine functions |
| mitosis checkpoint | triggers the exit from mitosis |
| second growth (G2) phase | preparations are made for the nucleus to divide |
| a student can study a karyotype to learn about the | chromsoses present in an individuals cells |
| spindles are composed of what | kinetochore fibers and polar fibers |
| The structure in the center of the animal cell that pinches the cell in half is called the | cleavage furrow |
| mitotic spindle | equally divides chromatids between offspring cells |
| prophase | the first phase of mitosis |
| asexual reproduction | the prodcution of offspring from one parent |
| s phase | the period during which DNA is copied |
| interphase | the time between cell division |
| g1 | phase |
| clevage furrow | equally divides an animal cell into two offspring cells |
| anaphase | the phase of mitosis during which chromsomes move to opposite poles |
| spindle fibers made of _________ help to move the chromosomes apart during mitosis. | microtubules |
| a disease caused by uncontrolled cell division is | cancer |
| in the first stage of binary fission, the DNA is | copied |