If a lobster loses a claw, it is capable of growing a new one because of mitosis.
The answer is C. Because when you write an hypothesis you’re thinking about what might occur during and after the experiment. And your experiment must have independent, dependent, and control variables.
Pseudostratified columnar respiratory epithelium
I think it's option four because as far as I know, red/green color blindness is an example of a recessive, sex-linked trait (encoded on the X chromosome), which results in much more men to suffer from it than women.
Hope that helps!