Construct an explanation to address how 2 very different looking twins come from the same parents. Be sure to use the following terms: meiosis, mitosis, gene, allele, identical twin, fraternal twin, sperm, egg, traits, proteins. THIS QUESTION IS WORTH 10 POINTS. EACH CORRECT USAGE OF THE VOCABULARY IN YOUR EXPLANATION IS WORTH 1 POINT.

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.