What are ethical cell issues?

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We selected important ethical conflicts of interest in current cell biology and which remain still unresolved: the use of human biological material, patents for biological material, cloning and use of stem cells, genetic engineering, onset of human life and death, and the use of vertebrate biomodels

Explanation:

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.