Question

Define of Metacentric and Sub-Metacentric.
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Answer 1

Answer:

Metacentric chromosomes are the chromosomes in which the centromere is located in the middle position of the chromosome. The centromere is composed of a DNA region, and it is the structure which holds the two sister chromatids together in place. In addition, the centromere is involved in the spindle formation process during the cell division. The centromere binds to the kinetochore proteins to form the spindle apparatus during both mitosis and meiosis.

In Submetacentric chromosomes, the centromere is located slightly away from the midpoint of the chromosome. Therefore, this positioning of the centromere results in unequal sized arms of the chromosome. In usual structure analysis after karyotyping, the submetacentric chromosomes appear to have shorter p arms and longer q arms

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Answer 2

Answer:

Hello

Explanation:

A submetacentric chromosome is a chromosome whose centromere is located near the middle. As a result, the chromosomal arms (i.e. p and q arms) are slightly unequal in length and may also form an L-shape. A chromosome with equal chromosomal arms is termed metacentric chromosome

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