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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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What is allele frequency?
IgorLugansk [536]

Answer:

The correct answer would be - D. the distribution of alleles in a population.

Explanation:

Allele frequency in population genetics is the term used to provide the amount of the different alleles in particular loci. In other words, it is the distribution of alleles in a population.

The term allele frequency refers to the fraction of the copies of the gene of the alleles in a known population. It can be calculated by the number of allele present of interest divided by total number of alleles in a population.

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An otoscope is used to examine the external ear and tympanic membrane.

<h3>What is the function of an otoscope?</h3>

An otoscope is a device that is used to look into the ear canal and at the tympanic membrane, or eardrum. The tool has one end with a light source and a magnifying mechanism to assist you study the ear structures more thoroughly. Otoscopy is the term for ear examination with an otoscope. The otoscope can be used to inspect the inside of the nose in addition to the ear.

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