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Gnesinka [82]
4 years ago
12

Prenatal detection of chromosomal abnormalities is accomplished chiefly by

Biology
1 answer:
zalisa [80]4 years ago
7 0
This is often done through Pre implantation genetic diagnosis (PGD) where an egg is fertilised but before it is implanted into the mother it is tested for specific diseases.
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HELP ASAP!
Rudik [331]

Answer:

Circulatory system: Includes the arteries  

Pumps blood

Includes the heart

Raspatory system : Provides oxygen to the blood

Preforms breathing

Includes the lungs

Explanation:

8 0
3 years ago
In a hypertonic solution, the Red Blood Cell will appear_____(swollen/shrunken/same)
Alexxandr [17]

The blood cell will appear swollen

5 0
3 years ago
Illustrate the position of the Earth, Moon, and Sun during a lunar eclipse. You may do so by typing the words or by drawing and
horrorfan [7]
Full Moon---> Earth---->Sun; Should be exactly in line or slightly off, but for a lunar eclipse to occur, the moon must be full either way.
8 0
3 years ago
The image shows a rocky celestial body called Ida and its natural satellite, Dactyl. Which kind of celestial body is Ida?
saw5 [17]

Ida is "Asteroid" kind of celestial body.

<u>Answer:</u> Option A

<u>Explanation:</u>

Ida is an asymmetrical and heavy asteroid in main asteroid belt, orbited by "Dactyl" a natural satellite. Ida come under S-type and known as Koronis family member, which resulted from giant body nearly ranged between 200 to 300 km in diameter.

Asteroids are small planets which lie between inner solar system. Comets are celestial objects having nucleus of ice and dust. Dwarf planets are non-satellite, planetary-mass objects that does not dominate their region of space. Meteoroids are in outer space and categorize as small rocky or metallic bodies. Planets are large objects like Jupiter or Earth that orbits a star.

8 0
3 years ago
Read 2 more answers
The current maternal blood-screening test is called the triple screen because:
Tasya [4]

The current maternal blood-screening test is also known as the triple screen test because of the testing of the three substances in the blood of a pregnant woman. These three tested components are the hCG (Human Chorionic Gonadotropin), AFP (Alpha-feto protein), and the estriol.

For the purpose of this triple screen test, the blood is drawn for the expectant mother and then this drawn blood is tested for the listed three components.

Hence, the correct answer is 'it tests for three substances in the maternal blood'.

5 0
3 years ago
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