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1. Her mother is a carrier. 2. Her father is a carrier. 3. Her mother is color blind. 4. Her mother is a carrier AND her father is color blind. 30

1. At least a carrier for white eyes. 2. White-eyed for certain. 3. Red-eyed for certain. 4. Pink-eyed for certain. Countdown 30

1. Type A 2. Type B 3. Type O 4. Type AB Countdown 30

1. 0% 2. 25% 3. 50% % 5. Impossible to predict 30

1. Gets both an orange and a black allele. 2. Has a calico parent. 3. Has an XXY karyotype. 4. Has a calico father. Countdown 30

1. Nondisjunction during meiosis. 2. Inheritance of two recessive alleles. 3. Incomplete dominance. 4. X-linkage. Countdown 30

1. AB only 2. A or B 3. A, B, or AB 4. A, B, AB, or O Countdown 30