5058791
Descrição
FlashCards por francesca graham, atualizado more than 1 year ago
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Criado por francesca graham
mais de 8 anos atrás
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| Questão | Responda |
| What are the two cells used in sexual reproduction called? | Gametes |
| How many chromosomes does a gamete have and why? | A Gamete has 23 chromosomes so that it can join with the other parent cell to have the right number of chromosomes for a normal body cell. |
| How does sexual reproduction produce vatiation? | By combining chromosomes from both parent cells so that the new cell has a mixture of features from both parents. |
| How many divisions does meiosis involve? | Two |
| Where does meiosis happen? | In the reproductive organs |
| Describe the first division in meiosis | 1) The DNA duplicates itself 2) The chromosomes line up in the center of the cell in pairs 3) The pairs get pulled to opposite sides of the cell |
| What is the difference between the first and second divisions in meiosis? | In the second division, the DNA doesn't duplicate itself |
| How many gametes do you get as a result of meiosis? | Four |
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