In a mycorrhizal relationship, what benefit does the plant get from the fungus?
a. an energy source
b. aid in seed dispersal
c. products of photosynthesis
d. aid in the absorption of water and minerals

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?