Science help PLEASE!!?

Okay I so hate this part of biology and i have read everything that i am suppose to and i dont get punnett squares. please HELP!! Thanks








use this chart to answer the question


phenotypes and genotypes of blood types.





left side of chart


Blood type and allele


A (l^a)


B (l^b)


AB (l^al^b)


O (l)





Right side of chart


Possible genotypes and alleles


AA or AO (l^al^a or l^al)


BB or BO (l^bl^b or l^bl)


AB (l^al^b)


00





1. Jessica's mother has the blood type AB and her father has the blood type O. Which blood type could Jessica have? Draw a Punnett square if needed.


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











THANKS SO MUCH!!!

Science help PLEASE!!?
Posible children A, B


Impossible children AB, O





#1 Answer is "A"


#2 Answer is "B"