Multiple choice

Which of the following is the biochemical basis of reproduction?

  1. RBC

  2. WBC

  3. Neuron

  4. DNA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DNA (deoxyribonucleic acid) is the biochemical basis of reproduction because it is the molecule that carries genetic information from one generation to the next. During reproduction, DNA is replicated and passed to offspring, ensuring continuity of genetic information. The DNA molecule contains genes that code for all the traits and characteristics of an organism. In cellular reproduction, DNA replicates through mitosis (asexual reproduction) or meiosis (sexual reproduction), while in molecular biology, DNA replication is the fundamental process that allows genetic material to be copied. RBCs lack DNA entirely, WBCs are immune cells (not directly involved in genetic transmission), and neurons transmit nerve impulses (not genetic information).

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