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Question: Blindness is an autosomal dominant disorder in puppies. B or b are used to represent the gene that causes blindness. Black Hair Follicular Dysplasia (BHFD) is an autosomal recessive disorder in puppies. D or d are used to represent the gene that causes BHFD. Use capital letters to represent dominant […]

SHAPE * MERGEFORMAT A special class of mutants of E coli unable to utilize lactose as a carbon source were found to have mutations in the coding sequence for ?-galactosidase (lacZ gene). They produce no ?-galactosidase protein. Surprisingly, they fail to produce the polypeptide products of the permease (lacY) and […]

The most common therapy for warts is cryotherapy, in which liquid nitrogen is applied to the area of the wart every few weeks, freezing it for a few seconds until the wart falls off. This isn’t as painful as it sounds, but requries a physician’s attention and, for some patients, […]

Often, prokaryotic cells exist as simple unicellular organisms, but in some species, prokaryotic cells can grow together in colonies or filaments. In addition, some species, such as Cynaobacteria or Myxobacteria, demonstrate intercellular communicate , or might even produce specialized cells and structures. However, only eukaryotic cells form the bodies of […]