Origins:
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0370-41062003000600001
http://www.cecs.cl/educacion/index.phpsection=biologia&classe=29&id=58#:~:text=El%20ADN%20fue%20por%20primera,Miescher%20en%20el%20año%201869.&text=Luego%20con%20los%20aportes%20de,molécula%20responsable%20de%20la%20herencia.
Transforming Principle :
https://babel.cegep-ste-foy.qc.ca/profs/gbourbonnais/pascal/nya/genetique/notesadn/adn2.htm
Sex Cells:
https://www.ecured.cu/C%C3%A9lulas_sexuales#:~:text=Las%20c%C3%A9lulas%20sexuales%20o%20gametas,reproducci%C3%B3n%20en%20el%20ser%20humano.
https://ambientech.org/gametogenesis
https://concepto.de/meiosis/
https://www.reproduccionasistida.org/diferencias-entre-cigoto-embrion-y-feto/#formacion-del-cigoto