Please help *10 points* asap

What are the four basic classes of organic molecules how do they differ structurally and functionally

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer