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MrMuchimi
3 years ago
5

When an individual first gets dressed, he or she is conscious of the clothing on his body. A short time later, however, he or sh

e is no longer aware of it. This phenomenon of the CNS ignoring a relatively unimportant sensation is known as ________.
Biology
2 answers:
avanturin [10]3 years ago
5 0

Answer:

Sensory/Receptor adaptation

Explanation:

Sensory adaptation refers to a reduction in sensitivity to a

stimulus after constant exposure to it. While sensory

adaptation reduces our awareness of a constant stimulus, it

helps free up our attention and resources to attend to other

stimuli in the environment around us. All five of our senses

are constantly adjusting to what's around us, as well as to us

individually and what we are experiencing, such as aging or

disease.

Just imagine what it would be like if you didn't experience

sensory adaptation. You might find yourself overwhelmed by

the pungent smell of onions coming from the kitchen or the

blare of the television from the living room. Since constant

exposure to a sensory stimulus reduces our sensitivity to it,

we are able to shift our attention to other things in our

environment rather than focusing on one overwhelming

stimulus.

IRISSAK [1]3 years ago
4 0

Answer:

Sensory adaptation.

Explanation:

When the sensory receptors are exposed to a constant stimulus for a prolonged period, the receptors decrease their ability to respond and this leads to a decreased sensitivity of the stimulus. This phenomenon is referred to as sensory adaptation.

Sensory adaptation occurs in all of our five major senses. From taste to smell, touch, sight and hearing. This mechanism is used by the body to ignore trivial and unimportant stimuli and direct our attention to other stimuli around us.

Other examples of sensory adaptation are;

A) When we adapt to constant noise coming from a particular source such as a disco hall.

B) When we no longer notice the smell of our deodorants.

C)When the eyes adjust and adapt to a dark room.

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dmitriy555 [2]

Answer:

The genotype of the F1 was wy+/w+y.

Explanation:

One of the given options has a typo: the red eye-brown body offspring count should be 56 instead of 561.

<u>We have two genes with two alleles each:</u>

Red eyes (w+) is dominant over white eyes (w).

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If the genes w and y are linked, two phenotypes in the F2 will be much more abundant than the other two. Recombination during meiosis is a rare event, so the most abundant phenotypes are the parentals (the ones present in the F1 parent).

Every individual in the offpsring has a <em>wy</em> chromosome, as this was the gamete inherited from the test cross individual.

In this case, the most abundant gametes are wy+ and w+y, so the genotype of the F1 was wy+/w+y.

Notice how when recombination occurs in the F1 parent, the recombinant gametes appear: wy and w+y+, which are the less abundant in the F2 progeny.

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