Unlike fishes with bony skeletons, a shark's skeleton is made out of cartilage. ... Sharks, rays, skates, and chimaeras (also know as rat fishes) all have cartilaginous skeletons.
Explanation:
Nucleus Cytoplasm
Contains the genetic material (DNA) Contains a thick gel-like substance
The most obvious structure in the cell Contains all organelles
Contains directions for cell regulation Mostly water
The nucleus is a large and obvious organelle in the cell and it provides instructions for the regulation of the cell's activities and it contains the genetic material (DNA). All organelles are embedded in the cytoplasm which is made up of mostly water.
Bellow I attached the punnet square you need. From it you can see, that the likelihood of producing an offspring with attached earlobes is 25% (ff)
