http://genetics.thetech.org/ask/ask456 cromozomul pereche 23 DNA basics: ask a geneticist Q456 http://genetics.thetech.org/ask/ask456 http://genetics.thetech.org/ask/ask456 cromozomul pereche 23 cromozomul pereche 23 http://genetics.thetech.org/ask/ask456 http://genetics.thetech.org/ask/ask456 23rd pair chromosome http://genetics.thetech.org/ask/ask456 http://genetics.thetech.org/ask/ask456 http://genetics.thetech.org/ask/ask456