SME
Grade 7 Science
Genes, alleles and Punnett squares
The main lesson, then each kind of problem it solves.
Genes, alleles and Punnett squares
Main lesson
How many offspring to expect
Use this for “Two Tt plants produce 40 seeds. About how many seedlings will be tall?”
Reading a pedigree
Use this for “Neither parent shows the trait but a child does. What are the parents’ genotypes?”
Asexual or sexual reproduction?
Use this for “What is the advantage of asexual reproduction?”