Question at position 6 What is a genome?All of a cell's DNAOne molecule of DNAOne chromosomeThe genes that are currently being expressed

Question

Question at position 6 What is a genome?All of a cell's DNAOne molecule of DNAOne chromosomeThe genes that are currently being expressed

BlackTom AI · Accepted Answer

The question asks: What is a genome?
Option 1: 'All of a cell's DNA' — This is the accurate definition of a genome, since it includes the complete set of genetic material present in an organism or cell.
Option 2: 'One molecule of DNA' — A single DNA molecule does not constitute the entire genome. A genome comprises the full complement of genetic material, which may be multiple molecules (as in many organisms) or a single chromosome in simple organisms.
Option 3: 'One chromosome' — A chromosome is a structural unit that carries part of the genome; many organisms have multiple chromosomes, so a genome is not limited to a single chromosome.
Option 4: 'The genes that are currently being expressed' — This describes the transcriptome or expressed subset of genes, not the entire genome. The genome includes all genes, whether or not they are active at a given time.

Question at position 6 What is a genome?All of a cell's DNAOne molecule of DNAOne chromosomeThe genes that are currently being expressed单项选择题

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