What part of the nucleotide determines an organisms traits

What is the chance of two parents with blood types ab and o producing an offspring with blood type o a.0% b.25% c.75% d.50%

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?