Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

What conditions are present in a human cell immediately before it enters prophase?

  • Anumber of chromatids: 46; number of molecules of DNA in nucleus: 46; spindle present: yes; nuclear envelope present: no
  • Bnumber of chromatids: 92; number of molecules of DNA in nucleus: 46; spindle present: no; nuclear envelope present: yes
  • Cnumber of chromatids: 46; number of molecules of DNA in nucleus: 92; spindle present: yes; nuclear envelope present: yes
  • Dnumber of chromatids: 92; number of molecules of DNA in nucleus: 92; spindle present: no; nuclear envelope present: yes

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