A double-stranded molecule of DNA has 80 T nucleotides and 110 G nucleotides. What is the TOTAL number of nucleotides in this molecule of DNA? O 80 O 110 O 160 O 190 O 220 380
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.
DNA and RNA make up the majority of genetic material. DNA is the genetic material that controls the makeup of an organism and is found in the nucleus of eukaryotic cells and the cytoplasm of prokaryotic cells.
The Chargaff rule states that the quantities of the bases A and T, as well as the nucleotides G and C, are always equal in DNA. Erwin Chargaff, an Austrian-American biochemist, provided the inspiration for this rule (1905-2002). Chargaff's ratios are another name for this rule. Later, Chargaff stated that Chargaff's ratios were critical in resolving the structure and stability of DNA. As a result, the complementary pairing of these nucleotides strongly suggested that a DNA molecule may split in two. In a new DNA strand, only complimentary bases establish bonds.
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