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Anarel [89]
3 years ago
13

An individual with an extra chromosome on the 21st pair of chromosomes has _____. tourette syndrome fragile x syndrome down synd

rome nearsightedness previous next
Biology
1 answer:
Virty [35]3 years ago
3 0
The individual has the Down syndrome.
Trisomy 21 is the most common form of Down syndrome, where an individual has 47 chromosomes in each cell instead of the normal 46 chromosomes. It is caused by an error during cell division call non-disjunction which leaves gametes (sperm or egg cell) with an extra copy of chromosome 21 before or at conception. 
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Mrs. Jones is exposed to high-energy solar radiation. She develops skin cancer as a result of a mutation in skin cells. A physic
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4 years ago
Where would you find hemoglobin that is about 65% saturated with o2 in a healthy resting person?
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The hemoglobin that is about 65% saturated with o2 in a healthy resting person Systemic veins & pulmonary arteries.

<h3>Define Hemoglobin?</h3>

Hemoglobin is a protein in red blood cells that takes oxygen to body's organs and tissues and elates carbon dioxide from organs and tissues back to your lungs.

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5 0
2 years ago
Question 2 (0.5 points) In the Northern Hemisphere, choose ALL that apply Summer solstice occurs when the Earth's North Pole is
adell [148]

Answer:

In North America, around June 21, Earth tilts on its axis toward the sun, which is Summer Solstice and when the Northern Hemisphere has the most daylight of any time of year. Winter solstice the Northern Hemisphere tilts the farthest away from the sun and when we have the least amount of daylight of any time of the year.

Explanation:

As Earth revolves around the Sun, it rotates on its axis. Sometimes Earth tilts toward the Sun which is when Summer occurs. In the Winter Earth tilts away from the Sun.

8 0
3 years ago
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During which phase do the chromosomes make copies of themselves so that there are two of each one?
SashulF [63]

Answer:

The beginning and majority of the time is known as Interphase. Interphase is 80% of the total cycle and is where the cell does most of the work in replicating organelles, chromosomes, and preparing to undergo Mitosis which is the actual splitting process where one cell becomes two. During Interphase there are 3 major steps, G1, S, and the G2 phase.

Explanation:

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