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Sexual and Asex. pro
Sexual and Asexual production
| Question | Answer |
|---|---|
| the normal process that body cells use to grow new tissue or repair existing tissue. | Mitotic division |
| During mitosis, cells divide to form two _________ that are identical to the parent cell and to each other | daughter cells |
| the number of chromosomes remains the same in the daughter cells as in the ______ | parent cell |
| only occurs in eukaryotic cells and is the process through which gametes or spores are produced. | Meiotic division |
| In meiotic division, a form of cell division occurs that produces _____ daughter cells | haploid |
| haploid daughter cells have | half of the species' usual number of chromosomes |
| Haploid daughter cells are called | gametes |
| What do gametes do? | they aid organisms in their sexual reproduction. |
| how many daughter cells does meiosis produce? | four |
| If a gamete cell is able to unite with the opposite type of gamete cell, what do the chromosomes do? | combine to yield the full number of chromosome pairs |
| what happens after chromosomes combine to yield the full number of chromosome pairs? | mitotic cell division begins |
| What can occur during Meiosis? | Crossing over |
| occurs during prophase I when two chromosomes pair up and exchange parts of their DNA | crossing over |
| provides genetic diversity between the parents and their offspring | crossing over |
| can also occur when alleles are randomly sorted during meiosis | Genetic variation |
| _______ in genes can occur whenever a segment of DNA is inserted, deleted, or substituted | mutations |
| sometimes create changes in an organism's phenotype or the phenotype of its potential offspring | mutations |
| Mutations that have no effect on an organism are called _____ | Silent mutations |
| Mutations will only be passed on to an organism's offspring in the mutation occurs in the | sex cells, or gametes, of the organism |
| Mutations in _________ do not affect the genotype of potential offspring | somatic cells |
| Mutations increase genetic variability because | they change the genotype of an organism |
| What are the phases of Meiosis? | Prophase 1-2, metaphase 1-2, anaphase 1-2, and telophase 1-2 |
| What are the phases of mitosis? | interphase, prophase, metaphase, anaphase, and telophase |
| tosis produces two daughter cells that are identical to | each other and the parent cells |
| Meiosis produces four daughter cells that are genetically | diverse |
Created by:
amandahase
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