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Lesson 2: Inheritance Probability

Learning Objectives

1. Define the terms ‘genotype’ and ‘phenotype’ and explain how the two concepts are related.

2. Describe how the terms ‘heterozygous’ and ‘homozygous’ are used in genetics.

3. Explain how the terms ‘dominant’ and ‘recessive’ are used in genetics and understand how the concepts relate to one another.

4. Use Punnett Squares to figure out expected phenotypic ratios based on given genotypes.

5. Write a program that calculates a phenotypic ratio for a given sample and indicates whether that ratio is expected or unexpected.