Biology help, please?

Use the following link to help answer the questions...


http://img504.imageshack.us/my.php?image...





1. Jessica's mother has the blood type AB and her father has the blood type O. Which blood type could Jessica have?





a. A


b. AB


c. O








2. Which type of inheritance pattern governs the blood types in Jessica's family?





a. codominance


b. dominant and recessive inheritance


c. sex-linked characteristics


d. incomplete inheritance

Biology help, please?
1. a.A Her mother can give her the allele A or B. Her father can only give her O. The possible combinations Jessica could have are AO (type A) and BO (type B).





2. a. Codominance. This is when both alleles are expressed. (Jessicia has O and A, but O does not cause any expression).
Reply:Jessica would have (of your options) type A. She could only have type A or type B. Blood group types are codominant.
Reply:A and A
Reply:I will answer the first Q only :)





a- A