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What causes cells to inactivate one X-chromosome?
Normally, when a cell has two X-chromosomes (female genome), one is randomly inactivated. How does the cell detect that there are two X-chromosomes in the first place?
Is there some kind of protein ...
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7
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Chromosomes are of different size but why do all chromosomes have similar GC percentage?
When I browsed NCBI I saw a pattern: even if the chromosome sizes, number of genes, and number of proteins are different, GC% in chromosomes tend to be similar. The examples are linked below.
Yeast,
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Would two species of yeast with similar genome sizes have the same number of genes or chromosomes?
Similar organisms generally have similar genome sizes. Given this, would two species of yeast have the same number of genes and chromosomes?
Edit: Fixed with thanks to @daniel-standage
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