1) What is the event that marks the transition from haploid to the diploid stage of...

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Biology

1) What is the event that marks the transition from haploid tothe diploid stage of the life cycle and what event marks thetransition back to the haploid stage again. Describe the timing ofthese two cellular even in life cycles that are dominated byhaploid cells, dominated by diploid cells or that have alternationof generations.
2) What are the closest relatives of land plants? How do youknow this? What do these relatives tell us about the ancestors ofgreen plants -- where did they live? How big were they?
3) Why was it the green algae that gave rise to land plants --why donâ€™t we have relatives of red or brown algae living onland?

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3.9 Ratings (681 Votes)

First you have to have a background of what is the cell cycle is composed of the interphase which is divided by the phase G1 S and G2 and the mitosis which is divided into Prophase metaphase anaphase and telophase In the G1 interval there is cell growth proteins hydrocarbons and cell lipids are being elaborated in this phase the DNA has not yet been replicated unduplicated chromosomes means 1n or haploid Once the S phase begins DNA replication begins and until the end of this phase we have duplicate chromosomes means 2n or diploid This gives rise to the G2 phase in which proteins that will boost mitosis are synthesized Now in See Answer

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