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Meiosis
Amoeba Sisters Video Recap of Meiosis Review
Question | Answer |
---|---|
How many TOTAL chromosomes are in each human body cell? | 46 |
How many PAIRS of chromosomes are in each human body cell? *Human sperm cells and egg cells have this number of chromosomes.* | 23 |
A copying process that produces cells with half the usual number of chromosomes. This process that contributes to genetic variety. | Meiosis |
This phase happens IN the beginning. This phase must occur before meiosis can happen. | INterphase |
What does PMAT stand for? | Prophase --> Metaphase --> Anaphase --> Telophase |
____________ is a reduction division. | Meiosis |
What chromosomes are approximately the SAME size with the SAME types of genes? | Homologous chromosomes |
What is it called when the homologous chromosomes transfer genes to each other? | Crossing over |
A) In Metaphase 1, chromosomes line up in the _______________. B) In Metaphase 2, chromosomes are lined up in a _____________. | A) Middle B) Single file line |
This occurs when chromosomes do not separate correctly. | Nondisjunction |