Differences Between Chromosome and Chromatid
“A chromosome is the most condensed form that appears during the metaphase while the chromatid is less condensed than chromosomes and appears once during the interphase.” A complex and coiled …
Chromosomes
Trisomy 21 (Down Syndrome): Definition, Causes, Symptoms, Pictures and Diagnosis
“Trisomy 21 also known as the Down syndrome is a type of chromosomal aberration occurs due to the extra copy of chromosome 21 or its part.” In 1866, John Langdon …
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Trisomy 13 (Patau Syndrome)- Definition, Causes, Symptoms, Life Expectancy And Diagnosis
“Trisomy 13 is a type of numerical chromosomal abnormality, known as Patau syndrome, which occurs by the presence of an extra copy of chromosome 13. Let’s understand the concept of …
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Trisomy 18- Definition, Symptoms, Pictures, Diagnosis And Life Expectancy
An extra copy of chromosome 18 present along with a pair causes the condition known as trisomy 18 or Edward’s syndrome; a type of numerical chromosomal abnormality. Trisomy 21, trisomy …
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Introduction To Chromosome 1
“Chromosome 1 is the largest human chromosome made up of around ~8% of total genomic DNA, gene mutations and chromosomal aberration of it are mainly associated with developmental, mental, and …
How to perform a Chromosome Test?
“A type of genetic test used to find out either structural, numerical or both type of chromosomal abnormalities is known as chromosome test.” Trisomy, monosomy, deletion, duplication and translocations are …
