Meiosis

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Meiosis

Across

2. Number of new cells that form from the end of meiosis

6. Number of chromosomes in a human gamete

7. Number of sets of chromosomes in a cell starting meiosis

10. The exchange of genes or pieces of DNA between adjacent chromatids

12. Random separation of chromosomes during anaphase

16. Nuclear division that reduces the chromosome number

17. Female reproductive cell

19. What happens to DNA in prophase I

21. How offspring of sexual reproduction compare genetically to each other

22. The pairing of homologous chromosomes in Prophase I

24. 1n chromosome number

25. Chromosomes of the same size and shape

26. Two pairs of homologous chromosomes in Prophase I

27. Male reproductive cell

28. Number of chromosomes in a human body cell

29. Main stages of meiosis

Down

1. Formation of sperm cells

3. Appears in Prophase I

4. Divides the cytoplasm after meiosis

5. The variation produced when crossing over occurs

8. Reproductive cells

9. What happens to polar bodies

11. Two diploid cells form from this process

13. 2n chromosome number

14. Formation of egg cells

15. Number of chromosomes in the new cells after meiosis

18. Phase when homologous pairs of chromosomes are separated

20. Reproduction that results from meiosis followed by fertilization of the egg by the sperm

22. Interphase phase when DNA is copied

23. Forms during oogenesis from unequal division of cytoplasm

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