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Serga [27]
3 years ago
11

If twins are born and one is a boy and one is a girl, are they identical or fraternal siblings?

Biology
1 answer:
coldgirl [10]3 years ago
6 0
Both they willo still look a like

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Answer:

A cell that has duplicated chromosome  cannot be in<u> G1 phase.</u>

Explanation:

  • G1, G2 and S phase are the divisions of the interphase i.e. the resting phase of the cell cycle.
  • A cell cycle has two phases; interphase and M-phase.
  • During interphase the cell grows and in M-phase it divides.
  • G1 is the Gap between the M-phase and the S-phase.
  • G2 is the gap between the S phase and M phase.
  • DNA replication is confined to the S part of interphase.
  • Since G1 phase comes before the S phase , we can say that a cell that has duplicated chromosome cannot be in G1 phase.

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