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sveticcg [70]
3 years ago
5

The clumping together of red blood cells by the action of an antibody is known​ as

Biology
1 answer:
Nady [450]3 years ago
8 0
The clumping together of red blood cells by the action of an antibody is known as agglutination.
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Answer: i believe it’s A and C

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2 years ago
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Anthony places a drop of water under a microscope and observes some small objects. He concludes that the small objects are cells
natta225 [31]

Answer:

It depends on the lens of the Anthony´s microscope, but It is likely that he saw artifacts

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An optical microscope contains lenses of focal lenght that enable to see different structures. In this case, it is likely that Antony saw artifacts since living cells are not easy to focus with the optical microscope, it requires operator experience  

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Red-green color blindness in humans is inherited as an X-linked recessive trait. Usually, heterozygous females are not colorblin
Maksim231197 [3]

Answer:

The mentioned characteristics of variability are witnessed because of the phenomenon known as X chromosome inactivation in heterozygous females. As females possess two X chromosomes, they actually should not possess any color blindness.  

The phenomenon of X-chromosome inactivation takes place in a random manner at the time of embryo development. During this only one X chromosome is inactivated. If the chromosome comprising the defective gene is inactivated, the individual will possess normal vision.  

If the chromosome comprising the usual gene gets inactivated than the individual will be color blind. In the given case of female, X inactivation took place in one eye. The inactivation of normal alleles has taken place and thus she possesses normal vision with one eye and is color blind in the other eye.  

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