Years ago, a newspaper headline read “Scientists Create Life.” Scientists had strung together a chain of nucleotides to make a strand of DNA. This was the first time DNA had been synthesized in a laboratory; it has been synthesized many times since that first headline. Based on what you now […]

Terminology Cell Division andGenetics Write short definitions for each ( 1 or 2 sentences ) Sexual reproduction- Asexual reproduction- Centromere- Metacentric- Submetacentric- Telocentric- Chromatids- Karyotype- Centrioles- Mitotic spindle- Crossing over- Prophase- Metaphase- Anaphase- Telophase- Stages of the Cell Cycle- Stages of Mitosis- Oogenesis- Spermatogenesis. Gene- Chromosome- Deoxyribonucleic acid- DNA replication- […]

Two new chemicals have just been made by one of our colleagues in the medicinal chemistry area. The discoverer thinks that these chemicals will improve memory, so we test these drugs called A and B. In order to test the drugs, we take examinations after ingesting various amounts of the […]

1- What two evolutionary agents are most responsible fordecreases in gentic variation in a population ? 2- How can selection cause two populations to become differentwith time ? 3- what effect would increasing gene flow between twopupulations have on their genetic makeup ? 4- Through what mechanism can new gentic […]