The importance is that the second one has more surface area because it has the outside are and the inside area too
C. a Y chromosome from his father
This is because boys have one X and one Y chromosome, while girls have 2 X's, so the Y must come from the father.
Hope this helps :D
Protein channels + no energy spent + following concentration gradient = passive transport via facilitated diffusion :)
it's either b or a I just studied this I believe its b though I know it's not d becuade hereditary mutations are passed dow. from parents not outside sources and it's not d because it's not true
