Answer: -they contain different DNA which directs the synthesis of different proteins
Whether the organism is a pea plant or a human beings the information in the DNA of the cell's nucleus directs synthesis of proteins in the cytoplasm. Why then are pea plants and human beings so different?

The history of genetics dates from the classical era with contributions by Pythagoras Hippocrates Aristotle Epicurus and others.Modern genetics began with the work of the Augustinian friar Gregor Johann Mendel. His work on pea plants published in 1866 established the theory of Mendelian inheritance.. The year 1900 marked the "rediscovery of Mendel" by Hugo de Vries Carl Correns and ...

DNA . The vast majority of organisms encode their genes in long strands of DNA (deoxyribonucleic acid). DNA consists of a chain made from four types of nucleotide subunits each composed of: a five-carbon sugar (2-deoxyribose) a phosphate group and one of the four bases adenine cytosine guanine and thymine.: 2.1 Two chains of DNA twist around each other to form a DNA double helix with the ...

The myth of prevalent pre-Darwinian Essentialism#In biology is disputed by modern schola...


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