Step 3: Compare the Parentals with the Double Cross Overs (DCO) to determine the correct order of the genes along the chromosome. A. List the alleles on the chromosome diagrams below. Parentals DCO B. Which single gene allele pair in the double cross over if exchanged would make the double cross over chromosomes be exactly like the Parentals? C. Reorder the alleles on the Parental chromosomes so that the gene allele pair in part B is in the middle. Check the order, by creating a double cross over of the Parental chromosomes. If alleles combination (not order) matches the DCO then you correctly determined which gene is in the middle for the chromosome map. Parentals

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Genetic Recombination

Recombination is crucial to this process because it allows genes to be reassorted into diverse combinations. Genetic recombination is the process of combining genetic components from two different origins into a single unit. In prokaryotes, genetic recombination takes place by the unilateral transfer of deoxyribonucleic acid. It includes transduction, transformation, and conjugation. The genetic exchange occurring between homologous deoxyribonucleic acid sequences (DNA) from two different sources is termed general recombination. For this to happen, an identical sequence of the two recombining molecules is required. The process of genetic exchange which occurs in eukaryotes during sexual reproduction such as meiosis is an example of this type of genetic recombination.

Microbial Genetics

Genes are the functional units of heredity. They transfer characteristic information from parents to the offspring.