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Meiosis
| Question | Answer |
|---|---|
| Who makes Asexual reproduction? | One Parent |
| Most body cells and 1 celled organisms... | Reproduce |
| Why do cells reproduce? | To growth, repair,replace |
| Parents form | Sex Cells |
| How many Chromosomes? | 23 |
| Females have... | Eggs or ova |
| Males have.... | Sperm |
| Sex Cells=Body cells | not |
| 23+21 | Half the pair |
| Male Chromosomes | XY |
| Female Chromosomes | XX |
| Body Cells Contain Chromosomes. | 46 |
| Each parent carries the same set of | genes |
| Chromosomes that have the same sequence of genes and structure | Homologous |
| Creates body Cells | Mitosis |
| Creates Sex Cells | Meiosis |
| What must a cell (both Mei &Mit) copy to duplicate itself? | It's DNA |
| The cell must be separated into sides. | 2 |
| The cell after it separates | splits |
| Each parent carries | 2 new cells |
| What determines a gender | Sex Chromosomes |
| Who determines a gender | The Father |
| A chart of Family Genetics | Pedigree |
| Sex link disorders happen in (mostly) | Males |
| An Example of a disorder is | Color blindness |
| Disorders are are | recessive |
| Chromosomes are copied in | Interphase |
| Chromosomes are like coils | threadlike |
| Interphase occurs | before mitosis |
| Prophase Occurs | 1st step of mitosis |
| Cells start to | divide |
| What moves to the opposite sides of the Cell? | Centriols |
| Spindle fibers form where? | between the Centriols |
| Metaphase is the | 2nd step of mitosis |
| What attaches to the fibers | Chromatids |
| Anaphase is | 3rd step of mitosis |
| Chromatids..... | Separate and move to opposite sides |
| What step is the final and 4th step | Telophase |