Colorblindness is a sex-linked recessive trait. if b=normal and b=colorblind, what would be the genotype of a normal male?

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book, and a chromosme is compared to chaper in the book, then what might be compared to a paragraph in the book?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

Look at the photo of the leaf, which term best describes this leaf ? a-simple. b-parallel. c-lobed. d-tooth.