1. What do you know about the world of genetics? T. Trimpe 2008 http://sciencespot.net/

2. Use your knowledge of genetics to answer each question 1. If Y represents the dominant yellow gene and y represents the recessive blue gene, what phenotype would be observed for each genotype? A. YY B. yy C. Yy 2. What do we call a scientist who studies heredity? 3. If your parents are the F2 generation, what would be the P generation? 4. What type chart is used to show the possible gene combinations in a cross between two organisms? 5. Identify each gene pair as homozygous (Ho) or heterozygous (He). Tt ______PP- ______ss - _____

3. And the answers are … 1. If Y represents the dominant yellow gene and y represents the recessive blue gene, what phenotype would be observed for each genotype? A. YY B. yy C. Yy 2. What do we call a scientist who studies heredity? 3. If your parents are the F2 generation, what would be the P generation? 4. What type chart is used to show the possible gene combinations in a cross between two organisms? 5. Identify each gene pair as homozygous (Ho) or heterozygous (He). Tt - ______PP- ______ss - _____ Yellow Geneticist Their great-grandparents Punnett Square HeHo YellowBlue