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8

Sexual and Asexual Reproduction

QuestionAnswer
1. what is sexual reproduction? it produces an offspring when genetic materials from to different sex cells combine
2. what is a egg? a female sex cell
3. what is the male sex cell? sperm
4. where does the female sex cell or egg form? ovary
5. where does the male sex cell or sperm form? testis
6. what happens during fertilization? an egg cell and a sperm cell form together.
7. what is the offspring called after it is fertilized? zygote
8. what kind of cells are made when organisms sexually reproduce? body cells and sex cells
9. what are diploid cells? body cells that have pairs of chromosomes
10. what will happen when a zygote has too many or too little chromosomes? it will not produce right
11. what is homologous chromosomes? they are pairs of chromosomes that have gens for the same traits arranged in the same order
12. what are haploid cells? they only have one chromosome from each pair of chromosomes.
13. are all haploid cells sex cells? yes
14. what happens in meiosis? one diploid cell divides and makes four haploid cells
15. what does meiosis involve? the dividing of the nucleus and cytoplasm
16. how may phases of meiosis are there? two; meiosis 1 and meiosis 2 that result in four haploid cells
17. what happens during interphase? the reproductive cell grows and duplicates its chromosomes
18. what happens during meiosis 1? each pair of duplicated homologous chromosomes separate
19. what happens during meiosis 2? sister chromaids separate to produce four haploid sex cells
20. what happens during prophase 1? chromosomes that are duplicated during interphase remain sister chromaids.
21. what happens during metaphase 1? homlougous chromosomes pairs align along the middle of the cell. spindle fibers attach to each pair.
22. what happens during anaphase 1? pairs of duplicated homlomogous chromosomes seperate and are pulled toward opposite ends of the cell. sister chromaids stay together.
23. what happens during telophase 1? a nuclear membrane forms around each group of chromosomes. the cytoplasm divides forming 2 daughter cells. sister chromids remain together.
24. what happens during prophase 2? chromosomes do NOT duplicate. nucleus membrane break apart.
25. what happens during metaphase 2? sister chromaids line along the middle of the cell!
Created by: kyliew2014
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