Question Completion Status: You are studying a group of individuals with X-ray vision and perform linkage analysis and note that the trait seems to be linked to a variant of the FOXP2 gene. You have identified the minimum tiling path around FOXP2 and sequence all the clones. After assembling the sequences into identify 5 genes in this area that could be responsible for x-ray vision. You identify one of the five genes as the best candidate for x-ray vision and call it XRAY (partial map below). You contiguous sequence, you examine it for any other protein coding genes. You want to isolate the gene in a plasmid so you digest your genomic DNA with the staggered-end cutting restriction enzyme Hindill and clone the digested DNA into your plasmid (pUC123) (map below). You pick 6 bacterial colonies, grow them and isolate the plasmids. You perform a 'insert check' to determine which bacterial colonies have a plasmid containing the Xray gene (gel Image below). Below is the map of the XRAY region with restriction sites indicated. Use these figures to answer the following question. PUC-233 Chromosome 7q31.1 H XRAY H H --300kb- H- Hind!!! 600bp 900bp Colony Colony Colony Colony Colony Colony Insert Check-Gel of your samples Which colony(-les) is (are) likely to have the XRAY gene? O a. Colonies 1, 2, 3 & 4 O b. Colony 2 O c. Colony 1 O d. Colonies 5 & 6 Oe. Colonies 3 & 4 FOXP2 1500bp andard H
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.

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