Tetraploid

Need serious help with a set of questions and was wondering if anyone could help. Would you expect a person of sex chromosome constititon XXXX to have higher , lower or approx equal concentrations of the enzyme G6PD as compared to a person whose sex chromosomes are XXXY. Justify your answer?

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... somatic cell) 2. What is the difference between monoploid and diploid cells? monoploid - have one set of chromosomes diploid - have two sets tetraploid - have four sets ... etc. gametes could be called monoploid but usually said to be haploid... As far as Wikipedia being unreliable, there ...

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to be fully accurate, the books i studied said: "although the cell is still diploid from the point of view of chromosome number it is tetraploid from the point of view of DNA molecules"

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i have heard the term "tetraploid" used for a cell which has replicated its DNA... I don't see why it is not correct.

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true, that is why triploid plants are always sterile and need to reproduce vegetatively, while tetraploid, hexaploid etc plant can produce seeds

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