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 …
Cytogenetics
Karyotyping: Definition, Steps, Procedure and Applications
“The process of arranging, pairing, and organizing chromosomes to find chromosomal variations is known as karyotyping.” The karyotyping is one of the most traditional and common cytogenetic techniques scientists have …
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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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DNA Probes: Labelling, Types And Uses
“DNA probes are the known short, single-stranded, labelled DNA sequences used to detect the presence or absence of nucleic acid in a sample.” In situ hybridization allows the use of …
