Which of the following is true with respect to haploid and diploid cells?A) Following DNA replication, haploid cells become diploid. B) In diploid cells, meiosis I results in the formation of two...

Which of the following is true with respect to haploid and diploid cells?

A) Following DNA replication, haploid cells become diploid.

B) In diploid cells, meiosis I results in the formation of two haploid cells.

C) In haploid cells, condensed chromosomes have an “I” shape, while in diploid cells they have an “X” shape.

D) In haploid cells meiosis is simpler, owing to unpaired chromosomes.

E) The process of meiosis is identical in haploid and diploid cells.

Asked on by bilunp

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bandmanjoe | Middle School Teacher | (Level 2) Senior Educator

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If you are looking for a singular "true" answer, I would tend to vote for "C".  Haploid cells are sex cells where the chromosome count has been halved, or divided by two.  In humans, there are 46 chromosomes in each cell.  In human sex cells, sperm and eggs, that chromosome count is divided by 2, which would be 23.  The whole purpose for having a haploid cell is to produce sex cells for the sexual reproduction process.  An egg, containing 23 chromosomes, is fertilized by a sperm, which also contains 23 chromosomes.  The resulting zygote now has a full complement of chromosomes, 46.  The zygote will develop into an offspring that is not genetically identical to either parent, but shares traits from each.  In these haploid cells, the chromosomes are unpaired, so I would think answer "C" is the closest fit among the choices presented here.

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