Email: bbcnoun@gmail.com Whatsapp: 08131667008 BIO402 Question: Between what years did a professor of anatomy reported that fertilization involves the union of sperm and egg? Answer: 1876 and 1877 Question: The first operational microscope was produced between the years Answer: 1591 and 1608 Question: The union of cytology and genetics is Answer: Cytogenetics Question: The genes producing the ribosomal RNA of Drosphila are located in the nucleolus organizer region of the Answer: Chromosomes Question: During interphase, chromosomes exist as chromatin fibers composed of Answer: DNA and Protein Question: A theory that assum that meiotic prophase start precociously with chromosomes that have not yet split is called Answer: Precocity theory Question: The falling apart of paired homologues result in initiation of Answer: Diplotene Question: A situation in where an egg may be sometime fertilized by two sperms is called Answer: Dispermy Question: When membrane is formed covering the egg to prevent other sperms from entering the fertilized egg is called Answer: Monospermy Email: bbcnoun@gmail.com Whatsapp: 08131667008