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I understand that an allele is the alternate version of the same gene but do two of the same alleles make up a gene? Do genes contain two alleles each?
I am studying Biology Unit 2: The Components of life with the Edexcel board using the new specification. As it is a new specification (2011) there is no past papers available so I am in search of some revision notes that could help me.
I need help on this for my ISA..so please any accurate information will be beneficial and can I have the website or books for where you received your knowledge from. Including authors and links. Thank You .:)
i just want to improve my maths, english and science skills because i have got my gcse's coming up soon!!!