The graph shows how the world population has increased between the years of 1950 and 2000. Based on the data, which is a valid c
onclusion? A) Human population will probably stop growing by 2010.
B) The 6 billionth person on earth was born around 1985.
C) More people were born between 1950 and 1960, than between 1990 and 2000.
D) From 1950, the human population doubled in a period only about 40 years.
DNA is found in nearly all living cells. ... Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules. So how does DNA differ from organism to organism? It is simply the order in which these smaller molecules are arranged that differs among individuals.
Heterozygous is when both of the alleles are different. Since AA and aa are the same allele, the other two Aa and Aa have on capital and one lowercse and for that reason they are different and thus heterozygous. Since 2.4 are heterozygous, 50% is the answer.