B. a specific place on a chromosome where a particular gene resides.
A locus (plural loci) in genetics is the position of a gene on a chromosome. Each chromosome carries many genes; humans' estimated 'haploid' protein coding genes are 19,000-20,000, on the 23 different chromosomes. A variant of the similar DNA sequence located at a given locus is called an allele.
Pneumocystosis is an infection of the lungs. Its causative organism is the microorganism Pneumocystis carinii. Pneumocystosis is nearly entirely and completely observed in individuals that have a immune systems that have been weakened and diminished by AIDS or chemotherapy. Pneumocystosis is majorly a terminal occurrence in AIDS patients.
There should be 22% Thymine because of Thymine pairs with Adenine, which on the table is shown to be 22%. (the complementary base pair are always equal). and the same would apply to Guanine (28%) and cytosine (28%).