1.) If each eye has a blind spot, why is there no disruption in our view of the
ID: 55747 • Letter: 1
Question
1.) If each eye has a blind spot, why is there no disruption in our view of the world, even when one eye is closed?
2.) If someone is missing the green cone but not the red cone, why are they red/green colorblind?
3.) A couple have a son and a daughter. The father is red-green colorblind while the mother has normal vision. Will either of their children be colorblind? Explain
4.) In what sort of light would vision out of the corner of your eye be the most precise?
5.) Do all sensory receptors adapt? Why would this be beneficial?
6.) What parts of your body are best at discriminating between two stimuli? What does this tell you about the arrangement of sensory receptors in those places? What benefits may be derived from this?
Explanation / Answer
3)
The color blindness is an X-linked recessive inheritance pattern: Here, the Father is color blind (XcYc) and mother is normal (XX), so the cross between them gives,
Thus, No, the body will be color blind and girl is a carrier.
5)
The sensory receptors are involved in maintaining equilibrium and balance by sending signals to the brain, which reacts to rotatory movements of the head. If a stimuli triggers sensory receptors and then the message is transmitted to the central nervous system for further processing and integration. The adaptation of sensory receptors is useful to prevent prolonged activation by a stimulus, which is either harmless or does not warrant a motor response, hence it would be beneficial. However, all the sensory receptors cannot adapt at a time.
6)
Skin the best part of the body, which best at discriminating between two stimuli. It tells that the arrangement of sensory receptors on the skin is peripheral. It has all kinds of receptors:
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