Explain why decomposition uses solar energy?

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.

How does human environment effect the biosphere

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?