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Minchanka [31]
3 years ago
8

HELP! If a person has sickle cell anemia, about 50% of their red blood cells will be sickle shaped. But, this is due to a mutati

on in the hemoglobin gene which affects the shape of some of the cells. What percentage (%) of the cells in their body will have the abnormal and nonfunctional hemoglobin gene? Why did you choose that number?
Biology
1 answer:
solong [7]3 years ago
7 0

Answer:

it may be the answer

With less oxygen, the abnormal hemoglobin S gene can cause rigid, nonliquid protein strands to form within the red blood cell. These rigid strands can change the shape of the cell, causing the sickled red blood cell that gives the disease its name.

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Number the following steps in the correct order and tell which stage it occurs in:
Sedaia [141]

Answer:

The correct answer is given below:

Explanation:

1. A cleavage furrow or cell plate forms, separating the nuclei - Cytokinesis.  During cell division, after division of nucleus, cytoplasm divides by furrow in an animal cells and by cell plate formation in the plant cells.

2. Chromosomes line up at the equator and chromatids are attached to spindle fibres—Metaphase. During metaphase all the chromosomes get arranged on the equatorial plane or the central plane

3. Nuclear membrane and nucleolus reappear- Telophase. The nuclear membrane starts to form around each of the daughter chromosomes and nucleolus also reappears in the daughter nuclei.

4. Genetic material replicates and is joined at the centromere- S-phase of the interphase. Duplication or copying of the DNA occurs in this phase  

5. Centromeres divide and single-stranded chromosomes move to the poles- Anaphase.  During anaphase, the sister chromatids of each chromosome gets separated and move to the opposite poles.

7 0
4 years ago
What percentage of patients with whooping cough die?<br> A.10%<br> B.18%<br> C.30%<br> D. 1%
Mkey [24]
<span>the percent of patients with whooping cough die is   </span>D. 1%   
4 0
4 years ago
Read 2 more answers
Geologists studying a local rock formation measure the amount of matter in the rock. This measurement is known as the rock's ___
Elenna [48]

Answer:

Mass

Explanation:

Mass is defined as the amount of matter in a substance. It is usually measured by balances such as the beam balance and scales. It is measured in grams or kilograms depending on the size of the body.

The process of Rock formation involves how a rock is formed which is usually by sedimentation or cooling of magma in volcanic eruptions. In rock formation study,the geologist measures the mass of the rock which enables knowledge of the amount of matter in the rock. This is be used to determine the weight of the rock and the rock type and properties.

6 0
4 years ago
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Please Help Make Sure you explain your answer i will be marking brainliest to the first person who has the right answer")
german

Answer:

B. Thermal energy will move from the plate to the fruit pop.

Explanation:

If you leave a frozen fruit pop that has a lower degree than the object you place it on, the object with the higher temperature will transfer heat to the colder object, which leads the cold object to melt.

3 0
3 years ago
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What is the smallest bone in the body and where is it located?
DedPeter [7]

The smallest bone in the body is the stapes and it is the third bone of the three ossicles in the middle ear.

6 0
3 years ago
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