Assume at present that the birth rate of the human population equals the death rate. which population characteristic can best be used to make predictions about future changes in population size? ib 105

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?

What is the starting point in replication called

How do the sperm cells get from the stigma to the ovules?