Twin Traits

Students study Mendelian Laws of Inheritance and differentiate between the different crosses.  For this Mendels Law lesson students describe DNA replication and genetic engineering. 

What do you have in common with a fruit fly? About 60 percent of your DNA. The resource, divided into two units, is intended for grades four to eight and another for high schoolers. Both units include eight lessons covering the genome as...

Have you ever met twins or biological siblings with different skin colors? It's not unusual and a helpful video explains why. It includes incomplete dominance, codominance, polygentic traits, and Epistasis, and even explains why...

Students list comparisons between technology and nature. Then they create superheroes with special animal characteristics and describe how ordinary persons might replicate the changes with technology.

Freddy's Friendly Fruit Market is under attack by fruit flies, and it is up to your aspiring biologists to solve the crime! By reading and analyzing the phenotypes, detectives determine which fly is responsible. This memorable assignment...

Students create a checklist of traits common in all of their families. Uisng a table, they compare and contrast their family members to non-family members. They also review dominant and recessive traits and discuss how knowing about...

Students investigate genetics as the study of inherited traits. They complete a worksheet.

Eighth graders investigate the concept of nature versus nurture in human development through this series of lessons.

Comprehend that many human characteristics-all physical traits and possibly many personality traits-are determined by our genetic makeup. These activities demonstate that all physical traits are genetically determined, some evidence...

Students randomly select jelly beans that represent genes for several human traits such as tongue-rolling ability and eye color. Then, working in pairs (preferably of mixed gender), students randomly choose new pairs of jelly beans from...