Living organisms all have DNA and RNA which are both .

In general in which direction does wind blow

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?

During binary fission, what events must occur before the cell splits into two new cells?