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Bogdan [553]
3 years ago
11

What is down syndrome?​

Biology
2 answers:
BartSMP [9]3 years ago
8 0
A genetic disorder causing intellectual delays
torisob [31]3 years ago
5 0

Answer:

Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby's body forms during pregnancy and how the baby's body functions as it grows in the womb and after birth. Typically, a baby is born with 46 chromosomes.

Explanation:

Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome. Down syndrome varies in severity among individuals, causing lifelong intellectual disability and developmental delays. It's the most common genetic chromosomal disorder and cause of learning disabilities in children. It also commonly causes other medical abnormalities, including heart and gastrointestinal disorders.

Hope this helps. I have down syndrome so I know a lot about it but I have Mosaic Down syndrome it's kind of the same thing but a lot different. Give me brainliest.

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Plzz make mcqs for cadet level iksc <br> 1. biology<br> 2. chemistry<br> 3. physics
nikdorinn [45]

Answer:

IGCSE**

u can just go through the book

5 0
3 years ago
Rebekah is studying a molecule and trying to determine if it is DNA or RNA. Which kind of molecule is she studying? I NEED HELP
Alex

Answer: Rebekah is studying [C-nucleic acids].

Explanation: This is  since both DNA (DeoxyriboNucleic Acid) and RNA (RiboNucleic Acid) contain nucleic acids, as their names show.

6 0
2 years ago
Which of the following characteristics is directly related to the coding of a single amino acid during the process of translatio
likoan [24]

Answer:

C) the three-base sequence of mRNA

Explanation:

Three-base sequence of mRNA is called codon. One codon specifies a single amino acid. There are 64 codons in eukaryotic cells and three of them are stop codons (non-coding).

tRNA have three-base sequence called anticodon which is complementary to specific codon. During the process of translation codon and anticodon are paired which leads to addition of amino acid to growing polypeptide chain. Newly added amino acid is carried by tRNA.

6 0
3 years ago
Which three statements about electromagnetic radiation are true?
TEA [102]
Light is a form of EM radiation.
EM radiation has no mass (it's just energy packets called photons).
EM radiation can travel through a vacuum. (The speed of light in a vacuum is called c and is around 300,000 m/s).

Hope this helps!
6 0
2 years ago
Read 2 more answers
How many hairs do we have​
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Answer:

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