Human somatic cells have 46 chromosomes, including 22 homologous pairs and one pair of nonhomologous sex chromosomes.
Water is needed to break the hydrogen bonds in the starch aggregates, allowing ready access to stored energy.
Some examples could be Giraffes with long necks and the darkening of London's peppered moths after the industrial revolution. Direct selection is the shift of the population of one species towards a certain phenotype. -reference.com
Answer :
Choice A i think