Iscuss how can the cloning of linker histones help to understand their function in cells

no abstract and introduction required
these answers to these questions should be included in essay and bold where they are answered.
1.how many linker histones are they located in the human genome
2. what chromosomes are they located on
3. what is the main function of the linker histones
4. what are the main differences between the linker histone variants