Grades 6–8. The Genes and Molecular Machines unit helps students explore the different ways that organisms reproduce and what that means for their genetics. Unit materials are available as a 1-class unit kit (item #513301), 1-class refurbishment set (item #513304), 5-class unit kit (item #513301U5), 5-class refurbishment set (item #513304U5), student guide (item #513303), Spanish student guide (item #513303SP), and digital student guide (item #513303E32).

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Grades 6–8. Beginning at the cellular level, the Genes and Molecular Machines unit helps students explore the different ways that organisms reproduce and what that means for their genetics. Students learn how traits are passed from one generation to the next as they study zebra fish, plants, protists, and humans. By the end of the unit, students create their own "creatures" with unique characteristics and follow those traits to their offspring to learn about inheritance. Using Punnett squares, DNA, and mutations, they predict future generations.

Unit materials are available as a 1-class unit kit (item #513301), 1-class refurbishment set (item #513304), 5-class unit kit (item #513301U5), 5-class refurbishment set (item #513304U5), student guide (item #513303), Spanish student guide (item #513303SP), and digital student guide (item #513303E32). Unit kits and refurbishment sets include vouchers to request prepaid delivery of living materials later at your convenience. Note: Among the additional materials that will be needed but not supplied in the kits are 16 microscopes (we recommend item #591182).

Note: GloFish® fluorescent fish are licensed under 1 or more United States patents. Reproduction (breeding) of GloFish® is permitted only for educational use by teachers and students in bona fide educational institutions; however, any sale, barter, or trade of the offspring from such reproduction is strictly prohibited.

Note: The Casper Fish™ provided are intended for non-commercial, internal research and educational purposes only. The sale, lease, license, or other transfer of the Casper Fish™ to a for-profit organization, uses of the Casper Fish™ by any organization, including Recipient, to perform contract research, to screen compound libraries, to produce or manufacture products for general sale, or to conduct research activities that result in any sale, lease, license, or transfer of the Casper Fish™ to a for-profit organization are strictly prohibited. However, industrially sponsored academic research shall not be considered a use of the Casper Fish™ for commercial purposes per se, unless any of the above conditions are met. Customers seeking to use the Casper Fish™ for commercial purposes should contact the Technology and Innovation Development Office of Children's Hospital Boston.

Note: Onion bulblets are available October through June.