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k0ka [10]
1 year ago
14

Persons with __________ blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibod

y anti-b in their plasma.
Biology
1 answer:
Flura [38]1 year ago
8 0

Persons with O blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibody anti-b in their plasma.

ABO blood grouping was discovered by Austrian scientist Landsteiner. It consist of four blood groups- A, B, AB, & O.

Red blood cells have certain extension of the proteins that are called antigen. Two types of antigens are there antigen a & b. The RBCs which have a particular antigen will not have the antibody against the same.

Blood Group A has antigen A and antibody B. Blood group B has antigen B and antibody A. Blood group AB has both antigen and no antibodies while blood group O has no antigen and antibody A & B.

To learn more about red blood cells here

brainly.com/question/17890844

#SPJ4

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Pueden una mujer y hombre (ambos normales) tener un hijo albino
Elanso [62]

Answer:

es bastante raro pero sucede que depende de los genes

ESPANOL -

El albinismo es una condición genética en la que las personas nacen sin el pigmento (color) habitual en sus cuerpos. Sus cuerpos no pueden producir una cantidad normal de melanina, el químico responsable del color de los ojos, la piel y el cabello. Entonces, la mayoría de las personas con albinismo tienen piel, cabello y ojos muy pálidos. El albinismo puede afectar a personas de todas las razas, y existen diferentes tipos de albinismo.

Algunas personas con una afección llamada albinismo oculocutáneo tienen piel y ojos extremadamente pálidos y cabello blanco. Otros con este mismo tipo de albinismo pueden tener un poco más de color en el cabello, los ojos o la piel.

Para algunas personas, el albinismo afecta solo sus ojos. Esto se conoce como albinismo ocular. Las personas con albinismo ocular generalmente tienen ojos azules. En algunos casos, el iris (la parte coloreada del ojo) tiene muy poco color, por lo que los ojos de una persona pueden verse rosados ​​o rojizos. Esto es causado por los vasos sanguíneos dentro del ojo que se muestran a través del iris. En algunas formas de albinismo ocular, la audición de los nervios auditivos puede verse afectada y la persona puede desarrollar problemas de audición o sordera con el tiempo.

Excepto por los problemas oculares, la mayoría de las personas con albinismo son tan saludables como cualquier otra persona. En casos muy raros, el albinismo de una persona es parte de otra afección que involucra otros problemas de salud además del albinismo. Las personas con este tipo de albinismo pueden tener complicaciones de salud tales como problemas de sangrado, pulmón, intestino y sistema inmunológico.

it's pretty rare but it happens it depends on the genes

ENGLISH - Albinism is a genetic condition where people are born without the usual pigment (color) in their bodies. Their bodies aren't able to make a normal amount of melanin, the chemical that is responsible for eye, skin, and hair color. So most people with albinism have very pale skin, hair, and eyes. Albinism can affect people of all races, and there are different kinds of albinism.

Some people with a condition called oculocutaneous albinism have extremely pale skin and eyes, and white hair. Others with this same type of albinism might have slightly more color in their hair, eyes, or skin.

For some people, albinism affects only their eyes. This is known as ocular albinism. People with ocular albinism usually have blue eyes. In some cases, the iris (the colored part of the eye) has very little color so a person's eyes might look pink or reddish. This is caused by the blood vessels inside the eye showing through the iris. In some forms of ocular albinism, the hearing nerves hearing may be affected and the person may develop hearing problems or deafness over time.

Except for eye problems, most people with albinism are just as healthy as anyone else. In very rare cases a person's albinism is part of another condition that involves other health problems in addition to albinism. People with these types of albinism can have such health complications as bleeding, lung, bowel, and immune system problems.

Explanation:

translation- can a woman and a man (both normal) have an albino child

7 0
3 years ago
What do all complex multicellular organisms have in common? a means by which to hold cells together regulatory gene networks tha
VikaD [51]

Answer: the correct option is : highly developed cell- cell communication.

Explanation: In complex multicellular organisms, cell - cell communication also known as cell signalling is part of any communication process that leads basic activities of cells and coordinates multiple cell functions.

8 0
3 years ago
HELP ASAP WILL MARK BRAINLIEST! Idk if my answer is right please help
Svetlanka [38]
I don’t see anything
6 0
3 years ago
As a child, you contracted hand, foot, and mouth disease, which is caused by a virus. Several years later, your sibling also con
Kaylis [27]
The answer is <em>A.) You have antibodies that already recognize the virus</em>

Viruses and diseases are always changing. When we get sick with say the flu, a virus, or the cold of sorts, our body attacks it until it fights off the disease. You can't get sick from the same strand of sickness because once your body defeats the virus, it knows how to protect the body from it because of the antibodies, so the virus ends up evolving to get past your immune system again.

I hope this helped! Have a wonderful day :)
5 0
3 years ago
According to the opponent color theory, the perception of color is based on the output of _______ cones, each of them an opponen
antoniya [11.8K]
<h2>1. Three cones</h2><h2>2. Two colors</h2>

Explanation:

  • The opponent process theroy of color vision recommends that our capacity to perceive color is constrained by three receptor complexes with contradicting or opposing activities.
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  • Dark white complex.
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  • You don't see greenish-red because according to the opponent process theory, the opponent cells can just identify each of these colors at a time.

7 0
3 years ago
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