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Sholpan [36]
3 years ago
15

When a trait is polygenic, but distinguished from continuous and meristic traits by having a small number of discrete classes, i

t is said to be a ________ trait?
Biology
1 answer:
lapo4ka [179]3 years ago
7 0
It is a threshold trait
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Classify the given terms or examples with the appropriate category.
atroni [7]

Answer:

a. general stimulus origin: Proprioceptors, Exteroreceptors, Interoceptors

b. special modality of stimulus:  Baroreceptors, Chemoreceptors Thermoreceptors

Explanation:

The sensory modality of stimulus refers to the aspect of a stimulus, and the sensation that is felt after a stimulus has had effect. Different sensory modalities include, temperature(thermoreceptors), light, chemicals(chemoreceptors), pressure(baroreceptors), and sound.

Stimulus origin is a classification system of receptors that indicates where a stimulus stems from. Exteroreceptors detect stimuli from the external environment and an example is the receptors found in the nasal cavity. Interoceptors are found in the internal organs and typically affect the smooth muscles of these organs. Proprioceptors are found in muscles, joints and tendons.

3 0
3 years ago
How does lymph return to the circulatory system from the lymphatic system? (2 points)
zhannawk [14.2K]

Answer:

It drains into a larger lymph trunk, which returns it to the subclavian veins.

Explanation:

5 0
3 years ago
Read 2 more answers
Donor Blood Type Recipient Blood Type A- Successful
tekilochka [14]

Answer:

The first blood transfusion in which the donor blood type is A+ and recipient blood type is A- would not be successful as the donor blood is A+, which signifies that the blood comprises both Rh factor and antigen A, while the recipient blood group is A-, which signifies that the blood does not comprise Rh factor and possess only antigen A. Therefore, at the time of transfusion, the Rh factor of donor blood will be regarded as a foreign body by the recipient, and thus, will generate antibody against the donor Rh factor provoking immune rejection and agglutination.  

On the other hand, the second blood transfusion in which the donor blood type is O- and the recipient blood type is AB+, the blood transfusion would be successful as the blood group O- is a universal donor, as it neither possesses any A or B antigen nor Rh factor. This blood group is accepted by all the blood group recipients.  

5 0
3 years ago
For us to feel an earthquake on land it has to register at least _____ or more on the Richter Scale
gavmur [86]
1 to 2 Felt slightly by some people. No damage to buildings.
<span>
3 to 4 </span><span>Often felt by people, but very rarely causes damage. Shaking of indoor objects can be noticeable.
</span>
<span>5 to 6 <span>Noticeable shaking of indoor objects and rattling noises. Felt by most people in the affected area. Slightly felt outside. Generally causes none to minimal damage. Moderate to significant damage very unlikely. Some objects may fall off shelves or be knocked over.

Hope this helps :)
just look up Richter Magnitude scale </span></span>
5 0
3 years ago
Read 2 more answers
In all of the following characteristics, prokaryotes differ from eukaryotes except in cell size. nucleic acids as the hereditary
antoniya [11.8K]

Answer:

Nucleic acids as the hereditary material

Explanation:

The nucleic acids are deoxyribonucleic acids DNA and ribonucleic acids RNA. DNA is an hereditary material that carry information and it is found both in eukaryotic cells and prokaryotic cells. It is found in the nucleus of eukaryotic cells but it is not enclosed in prokaryotic cells.

6 0
3 years ago
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