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In the plant genus Triticum there are many different polyploid species, as well as diploid species. Crosses were made between three different species, and hybrids were obtained. The meiotic pairing was observed in each hybrid, and this is recorded in the following table. (A bivalent is two homologous chromosomes paired […]

A.) name the PCR DNA polymerase isolated from the thermophilic bacterium Thermotoga maritima B.) Write the phenotypic designation for a mutation that makes E. coli resistant to rifampicin C.) write the genotypic designation for THREE DIFFERENT mutations in two genes coding for enzymes in proline biosynthesis. One mutation leads to […]

Why Do I Need Electrolytes? Have you ever wondered why you get tired much faster on warmer days than on cold ones or why you become dizzy and weak when you are dehydrated? As you are learning, your body is more than a collection of organs. In addition to understanding […]

1. You started life as a single cell, Remember Virchow’s statement that all cells come from pre-existing cells. Where did your original Cell come from? 2. Where did your parent’s cells come from? 3. Your body is now composed of trillions of cells. Where did the rest of your cells […]