By the end of this lesson you will be able to: - demonstrate the ability to use Punnett squares to determine simple genetic crosses - define incomplete dominance - explain the inheritance of sex in humans - describe the inheritance of sex-linked traits - discuss a biblical position regarding inherited disorders - identify two methods of learning about unborn children Genes, Chromosomes, and Heredity Chromosome number – What is a Punnett square? Try the what do you think square on page 103 using the Punnett square below. Gametes – Incomplete dominance – Codominance – Multiple gene inheritance – Which chromosomes determine the sex of a child? Sex linked trait – Carriers – Inherited disorders – Homework: On a separate sheet of paper complete activity 7B on page SA 69