. Crossing over occurs g. Cell division occurs twice h. Replicated chromosomes l

Question

. Crossing over occurs g. Cell division occurs twice h. Replicated chromosomes line up in the middle of the cell i. 2 diploid cells are the final result 4. Define crossing over What phase does it occur? Are the resulting cells at Does the parent cell in Mitosis start off as diploid or haploid? the end of Mitosis diploid or haploid? 5. Are the resulting cells at Does the parent cell in Meiosis start off as diploid or haploid? the end of Meiosis diploid or haploid? 6. 7. How does the number of chromosomes in a sex cell compare with the number of chromosomes in the parent cell? Describe the differences in how the chromosomes line up in middle of the cell during Metaphase I of Meiosis and Metaphase of Mitosis 8.

Explanation / Answer

F) meiosis

G)meiosis

H)mitosis and meiosis

I)mitosis

4)exchange of genetic material between homologous chromosomes is called crossing over

It occurs in prophase 1 of meiosis and it also occurs in prophase of mitosis

5)parents start as diploid

End of mitosis is diploid

6)start as diploid

End as haploid

7)sex cell as 23 number of chromosomes and parent cell has 46

8)in mitosis chromosomes line up in the middle not in pairs

In meiosis they line up in the middle but in pairs

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