Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..