Large cities have been built by what types of natural land features in order to get enough water?

One of the purposes of transcription is to produce a sequence of bases that

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?

Tides that occur during the new and full moons