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Dafna11 [192]
3 years ago
10

In human, there are 22 pairs of chromosomes called

Biology
1 answer:
lara [203]3 years ago
4 0

Females have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up in pairs is called a karyotype.

Of the 23 pairs of chromosomes, the first 22 pairs are called "autosomes." The final pair is called the "sex chromosomes." Sex chromosomes determine an individual's sex: females have two X chromosomes (XX), and males have an X and a Y chromosome (XY).

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hey help if you know this please, it doesn't have lines indicating to where so I'm confused, also need help with number 7 please
Olegator [25]

Answer:

6.

The attached image contains the correct labels.

7.

a. 1

b. 6

c. 3

d. 10

e. 8

f. 4

g. 2

h. 7

i. 9

j. 5

Explanation:

7.

The entire cardiac cycle is as follows:

  1. Deoxygenated blood enters the right ventricle from the superior and inferior vena cava.
  2. The right atrium pumps the deoxygenated blood to the right ventricle.
  3. From the right ventricle, the deoxygenated blood moves to the lungs via the pulmonary artery.
  4. After gaseous exchange, the oxygenated blood returns to the heart into the left atrium via the pulmonary vein.
  5. From the left atrium, blood moves to the left ventricle.
  6. Oxygenated blood is pumped by the left ventricle into the aorta which supplies blood to all parts of the body.
  7. Deoxygenated blood, collected from the body again enters into the right atrium via the vana cava.

5 0
3 years ago
What is the carrying capacity of this ecosystem?
DaniilM [7]

Answer:

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6 0
3 years ago
Why do living things go to great lengths to increase<br> their chances of reproduction?
IgorLugansk [536]

Answer:

Living things use structural strategies and behavioral strategies that increase their chances of reproduction.

Living things do so to reach the reproduction goal that is to pass genes on to offspring. For example: the pouch of a kangaroo, a frog croaking a mating call,  and colorful petals of flower etcetera helps in increasing mating chances so that their genes can be followed to the generation.

7 0
3 years ago
Doctors have had luck transplanting hearts and lungs. But science has not been very successful in growing hearts and lungs. Why?
elena55 [62]
Hello.

Man cannot scientifically recreate a heart or lung in a lab. It just doesn’t work that way. Therefore, your answer is B.

I hope this helps you!
Have a wonderful day.
~Brooke❤️
6 0
3 years ago
Read 2 more answers
During a ________ moon, we see one whole side of the Moon here on Earth.
Vinil7 [7]
The answer is Crescent. 
<span>During a crescent moon, we see one whole side of the Moon here on Earth.
</span>

<span>New moon              -</span><span> the illuminated side of the Moon is away from the Earth. only  the shadowed side can be seen. </span>

><span>Waning gibbous    - </span><span>the Moon is less than fully illuminated, but, is more than half.</span>

<span>>Full Moon            - Brightest lunar phase.</span>

7 0
3 years ago
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