Question:
A graphical representation of a karyotype is called _____________.
A graphical representation of a karyotype is called _____________.
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The suffix "-gram" means a drawing or diagram. Karyotype + gram $\rightarrow$ Karyogram, which represents the chromosome set diagram.
Updated On: Jul 21, 2026
- Phenogram
- Fingerprint
- Karyogram
- Chromogram
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
A karyotype represents the general appearance, number, and morphology of somatic chromosomes in an individual or species.
Step 2: Detailed Explanation:
A graphical, diagrammatic, or photographic representation of a karyotype, where chromosomes are arranged in homologous pairs of decreasing size, is termed a Karyogram (or idiogram).
Karyograms are vital tools in tree cytogenetics to study chromosome numbers, detect polyploidy, and identify structural chromosomal abnormalities.
Let us analyze the incorrect options:
- Phenogram: This is a branching diagram (dendrogram) depicting overall phenotypic similarities among taxonomic groups.
- Fingerprint: This is a pattern produced by molecular markers (such as DNA fingerprinting) used for genetic identification, not a chromosome map.
- Chromogram: This is not a standard biological or cytogenetic term.
Thus, karyogram is the correct term for the graphical representation of a karyotype.
Step 3: Final Answer:
A graphical representation of a karyotype is called a Karyogram.
A karyotype represents the general appearance, number, and morphology of somatic chromosomes in an individual or species.
Step 2: Detailed Explanation:
A graphical, diagrammatic, or photographic representation of a karyotype, where chromosomes are arranged in homologous pairs of decreasing size, is termed a Karyogram (or idiogram).
Karyograms are vital tools in tree cytogenetics to study chromosome numbers, detect polyploidy, and identify structural chromosomal abnormalities.
Let us analyze the incorrect options:
- Phenogram: This is a branching diagram (dendrogram) depicting overall phenotypic similarities among taxonomic groups.
- Fingerprint: This is a pattern produced by molecular markers (such as DNA fingerprinting) used for genetic identification, not a chromosome map.
- Chromogram: This is not a standard biological or cytogenetic term.
Thus, karyogram is the correct term for the graphical representation of a karyotype.
Step 3: Final Answer:
A graphical representation of a karyotype is called a Karyogram.
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