Objectives

• Explain how there can be many versions of one gene
• Describe how genes influence the development of traits
• Describe monohybrid and dihybrid crosses
• Explain how heredity can be illustrated mathematically

Video Introduction - Watch this!

Assignment Checklist:
(these are the assignments you must turn in)

• 9.01
• 9.02
• 9.03
• 9.04
• 9.05

Vocabulary

• gene
• allele
• homozygous
• heterozygous
• genotype
• phenotype
• Punnett square
• monohybrid cross
• dihybrid cross
• dominant 
• recessive

Schedule (you may work ahead of schedule)

Reminders & Tips: